Fix build with Poppler 0.86 and later.

Taken from Arch Linux, but adjusted to patch the versioned Poppler
files, as upstream applies it after copying them in place.
https://git.archlinux.org/svntogit/packages.git/tree/trunk/texlive-poppler-0.86.patch?h=packages/texlive-bin

--- a/texk/web2c/pdftexdir/pdftoepdf-poppler0.76.0.cc	2020-03-03 21:11:35.102711802 +0000
+++ b/texk/web2c/pdftexdir/pdftoepdf-poppler0.76.0.cc	2020-03-03 21:13:13.057420111 +0000
@@ -757,7 +757,7 @@
     if (page_name) {
         // get page by name
         GString name(page_name);
-        LinkDest *link = pdf_doc->doc->findDest(&name);
+        LinkDest *link = pdf_doc->doc->findDest(&name).get();
         if (link == 0 || !link->isOk())
             pdftex_fail("PDF inclusion: invalid destination <%s>", page_name);
         Ref ref = link->getPageRef();
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<div class='path'>path: <a href='/guix/log/?id=9e184d5e54d1fee98c75bcb577a98456a77ae015'>root</a>/<a href='/guix/log/gnu?id=9e184d5e54d1fee98c75bcb577a98456a77ae015'>gnu</a>/<a href='/guix/log/gnu/system?id=9e184d5e54d1fee98c75bcb577a98456a77ae015'>system</a>/<a href='/guix/log/gnu/system/examples?id=9e184d5e54d1fee98c75bcb577a98456a77ae015'>examples</a>/<a href='/guix/log/gnu/system/examples/raspberry-pi-64.tmpl?id=9e184d5e54d1fee98c75bcb577a98456a77ae015'>raspberry-pi-64.tmpl</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/system/examples/raspberry-pi-64.tmpl?id=9e184d5e54d1fee98c75bcb577a98456a77ae015&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-04-18 10:43:06 -0400'>2024-04-18</span></td><td><a href='/guix/commit/gnu/system/examples/raspberry-pi-64.tmpl?id=65e8472a4b6fc6f66871ba0dad518b7d4c63595e'>system: Remove nss-certs from OS templates, adjust doc.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a follow-up to commit 86afaadb51 ("system: Add 'nss-certs' to
%base-packages-networking.")

* doc/guix-cookbook.texi (Running Guix on a Linode Server): Remove nss-certs
from operating system's packages field.
(Running Guix on a Kimsufi Server): Likewise.
* doc/guix.texi (Using the Configuration System): Likewise.
(X.509 Certificates): Adjust to mention nss-certs *is* part of %base-packages.
* gnu/installer/services.scm (%system-services): Remove recommendation to
install nss-certs.
* gnu/system/examples/bare-bones.tmpl (host-name): Remove obsolete comments.
* gnu/system/examples/desktop.tmpl (packages): Remove nss-certs.
* gnu/system/examples/lightweight-desktop.tmpl (packages): Likewise.
* gnu/system/examples/plasma.tmpl (packages): Likewise.
* gnu/system/examples/raspberry-pi-64-nfs-root.tmpl (packages): Likewise.
* gnu/system/examples/raspberry-pi-64.tmpl (packages): Likewise.
* gnu/system/examples/vm-image.tmpl (packages): Likewise.
* gnu/system/images/orangepi-r1-plus-lts-rk3328.scm (packages): Likewise.
* gnu/system/images/pine64.scm (packages): Likewise.
* gnu/system/install.scm (installation-os) [packages]: Likewise.

Change-Id: If09123a69b987178bcb0aab61c4570c14fc1286f
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-12-16 23:42:17 -0500'>2022-12-16</span></td><td><a href='/guix/commit/gnu/system/examples/raspberry-pi-64.tmpl?id=491bddfa276cc9775adf325c07e5f82638f330e7'>system: examples: Add mode prop line.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/examples/asus-c201.tmpl: Add a mode prop line.
* gnu/system/examples/bare-bones.tmpl: Likewise.
* gnu/system/examples/beaglebone-black.tmpl: Likewise.
* gnu/system/examples/desktop.tmpl: Likewise.
* gnu/system/examples/docker-image.tmpl: Likewise.
* gnu/system/examples/lightweight-desktop.tmpl: Likewise.
* gnu/system/examples/raspberry-pi-64-nfs-root.tmpl: Likewise.
* gnu/system/examples/raspberry-pi-64.tmpl: Likewise.
* gnu/system/examples/vm-image.tmpl: Likewise.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-12-04 00:37:11 -0500'>2022-12-04</span></td><td><a href='/guix/commit/gnu/system/examples/raspberry-pi-64.tmpl?id=08dc9f2ca2e96476aa51c906c8ba01ca5d033568'>gnu: Do not use 'local-file' in Raspberry Pi OS examples.</a><span class='msg-avail'>...<span class='msg-tooltip'>As this breaks the 'tests/guix-system.sh' test.

* gnu/system/examples/raspberry-pi-64-nfs-root.tmpl (%my-public-key): Delete
variable.
(raspberry-pi-64-nfs-root) [services]: Remove key from openssh-configuration.
* gnu/system/examples/raspberry-pi-64.tmpl: Likewise.

Reported-by: Vagrant Cascadian &lt;vagrant@debian.org&gt;
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-12-01 14:31:29 -0500'>2022-12-01</span></td><td><a href='/guix/commit/gnu/system/examples/raspberry-pi-64.tmpl?id=c7793b82efd3383a9f7adf0dfa82d71ee032e41b'>gnu: raspberry-pi: Add a bootloader-chain for the Raspberry Pi and os examples.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/raspberry-pi.scm (grub-efi-bootloader-chain-raspi-64): New
bootloader variable, capable to boot a Raspberry Pi over network or from a
local storage.
* gnu/system/examples/raspberry-pi-64.tmpl: New operating-system example.
* gnu/system/examples/raspberry-pi-64-nfs-root.tmpl: New operating-system
example for booting over network.
* Makefile.am (EXAMPLES): Register the new files.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>Stefan</td></tr>