Fix compilation errors:

  dolfin/geometry/IntersectionConstruction.cpp: In static member function ‘static std::vector<dolfin::Point> dolfin::IntersectionConstruction::intersection_segment_segment_2d(const dolfin::Point&, const dolfin::Point&, const dolfin::Point&, const dolfin::Point&)’:
  dolfin/geometry/IntersectionConstruction.cpp:442:24: error: ‘min_element’ is not a member of ‘std’; did you mean ‘tuple_element’?
    442 |   const auto it = std::min_element(oo.begin(), oo.end());
        |                        ^~~~~~~~~~~
        |                        tuple_element

  dolfin/mesh/MeshFunction.h: In member function ‘std::vector<long unsigned int> dolfin::MeshFunction<T>::where_equal(T)’:
  dolfin/mesh/MeshFunction.h:652:26: error: ‘count’ is not a member of ‘std’; did you mean ‘cout’?
    652 |     std::size_t n = std::count(_values.get(), _values.get() + _size, value);
        |                          ^~~~~
        |                          cout

Submitted upstream at https://bitbucket.org/fenics-project/dolfin/issues/1128

--- a/dolfin/geometry/IntersectionConstruction.cpp
+++ b/dolfin/geometry/IntersectionConstruction.cpp
@@ -18,7 +18,8 @@
 // First added:  2014-02-03
 // Last changed: 2017-12-12
 
+#include <algorithm>
 #include <iomanip>
 #include <dolfin/mesh/MeshEntity.h>
 #include "predicates.h"

--- a/dolfin/mesh/MeshFunction.h
+++ b/dolfin/mesh/MeshFunction.h
@@ -24,6 +24,7 @@
 #ifndef __MESH_FUNCTION_H
 #define __MESH_FUNCTION_H
 
+#include <algorithm>
 #include <map>
 #include <vector>
 
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<div class='path'>path: <a href='/guix/log/?id=c9fd3d1b84086b3f0e95e2473fb40248d202bc53'>root</a>/<a href='/guix/log/gnu?id=c9fd3d1b84086b3f0e95e2473fb40248d202bc53'>gnu</a>/<a href='/guix/log/gnu/packages?id=c9fd3d1b84086b3f0e95e2473fb40248d202bc53'>packages</a>/<a href='/guix/log/gnu/packages/gobby.scm?id=c9fd3d1b84086b3f0e95e2473fb40248d202bc53'>gobby.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/gobby.scm?id=c9fd3d1b84086b3f0e95e2473fb40248d202bc53&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-12-13 17:48:25 +0100'>2021-12-13</span></td><td><a href='/guix/commit/gnu/packages/gobby.scm?id=8394619baceb118df92e355377fd543bb1aa501a'>gnu: Simplify package inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>This commit was obtained by running:

  ./pre-inst-env guix style

without any additional argument.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-10-02 10:54:13 +0000'>2021-10-02</span></td><td><a href='/guix/commit/gnu/packages/gobby.scm?id=50e0fa19f0f6447e18ec7f49b961f011ff4d23f1'>gnu: Update gtkmm to 4.2.0, add gtkmm@3, and adjust gtkmm@2.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gtk.scm (gtkmm)[version]: Update to 4.2.0.
[arguments](meson): New argument.
[native-inputs]: Add glib:bin.
[propagated-inputs]: Replace gtk+ with gtk.
(gtkmm-3): New variable.
(gtkmm-2)[arguments]: Strip certain inherited arguments.
* gnu/packages/animation.scm (synfigstudio)[inputs]: Switch to gtkmm-3.
* gnu/packages/astronomy.scm (stackistry)[inputs]: Ditto.
* gnu/packages/audio.scm (guitarix)[inputs]: Ditto.
* gnu/packages/disk.scm (parted)[inputs]: Ditto.
* gnu/packages/gnome.scm (gnome-system-monitor)[inputs]: Ditto.
(workrave)[inputs]: Ditto.
(gnote)[inputs]: Ditto.
* gnu/packages/gobby.scm (gobby)[inputs]: Ditto.
* gnu/packages/inkscape.scm (inkscape)[inputs]: Ditto.
* gnu/packages/mail.scm (astroid)[inputs]: Ditto.
* gnu/packages/mate.scm (mate-system-monitor)[inputs]: Ditto.
* gnu/packages/music.scm (tascam-gtk)[inputs]: Ditto.
* gnu/packages/photo.scm (rawtherapee)[inputs]: Ditto.
* gnu/packages/pulseaudio.scm (pavucontrol)[inputs]: Ditto.
(paprefs)[inputs]: Ditto.
* gnu/packages/text-editors.scm (jucipp)[inputs]: Ditto.
* gnu/packages/wm.scm (waybar)[inputs]: Ditto.
</span></span></td><td>Raghav Gururajan</td></tr>
<tr><td><span title='2021-09-12 16:43:47 +0300'>2021-09-12</span></td><td><a href='/guix/commit/gnu/packages/gobby.scm?id=d1732a007fff1549fd49bae595ef9541bea2a332'>gnu: obby: Fix build.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gobby.scm (obby)[inputs]: Replace libsigc++ with
libsigc++-2.

Signed-off-by: Efraim Flashner &lt;efraim@flashner.co.il&gt;
</span></span></td><td>Felix Gruber</td></tr>
<tr><td><span title='2021-09-12 16:43:40 +0300'>2021-09-12</span></td><td><a href='/guix/commit/gnu/packages/gobby.scm?id=3cea6f400953fa1a749f50cbb08735a51fcf2467'>gnu: gobby: Update to 0.6.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>This fixes a build failure due to our libinfinite being too recent for
gobby 0.5.0.

* gnu/packages/gobby.scm (gobby): Update to 0.6.0.
[build-system]: Change to glib-or-gtk-build-system which helps to find
glib-compile-schemas.
[native-inputs]: Add itstool.
[inputs]: Replace gtkmm-2 with gtkmm and gtksourceview-2 with
gtksourceview-3.

Signed-off-by: Efraim Flashner &lt;efraim@flashner.co.il&gt;
</span></span></td><td>Felix Gruber</td></tr>
<tr><td><span title='2021-09-12 11:11:32 +0200'>2021-09-12</span></td><td><a href='/guix/commit/gnu/packages/gobby.scm?id=174a622f637dc9d912fdfd963685112258d4f4fa'>gnu: libnet6: Fix build.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gobby.scm (libnet6)[inputs]: replace libsigc++ with
  libsigc++-2.

Signed-off-by: Guillaume Le Vaillant &lt;glv@posteo.net&gt;
</span></span></td><td>Felix Gruber</td></tr>
<tr><td><span title='2021-01-03 06:55:34 +0100'>2021-01-03</span></td><td><a href='/guix/commit/gnu/packages/gobby.scm?id=c2c954afb2df5b9926f52b5c14d0213827e3401f'>gnu: obby: Omit static library.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gobby.scm (obby)[arguments]: Add ‘--disable-static’
to #:configure-flags.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-01-03 06:55:34 +0100'>2021-01-03</span></td><td><a href='/guix/commit/gnu/packages/gobby.scm?id=cc63996063a42d49e0d66907a5058612c85d48eb'>gnu: libnet6: Omit static library.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gobby.scm (libnet6)[arguments]: Add ‘--disable-static’
to #:configure-flags.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-01-03 06:55:33 +0100'>2021-01-03</span></td><td><a href='/guix/commit/gnu/packages/gobby.scm?id=cea9741b1648732922f3a9c0a4bc79ef3bada4e5'>gnu: libinfinity: Omit static libraries</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gobby.scm (libinfinity)[arguments]: Add
‘--disable-static’ to #:configure-flags.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-01-02 20:43:26 +0200'>2021-01-02</span></td><td><a href='/guix/commit/gnu/packages/gobby.scm?id=143a4f03db70e24de2559020441e72e74815d0f1'>gnu: libinfinity: Update to 0.7.2.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gobby.scm (libinfinity): Update to 0.7.2.
</span></span></td><td>Efraim Flashner</td></tr>