Add forward declarations.

--- fastcap/src/mulSetup.c.orig	2015-07-22 13:55:21.592119775 +0200
+++ fastcap/src/mulSetup.c	2015-07-22 14:08:50.157688209 +0200
@@ -35,6 +35,14 @@
 
 #include "mulGlobal.h"
 
+static getnbrs(ssystem*);
+static linkcubes(ssystem*);
+static setMaxq(ssystem*);
+static getAllInter(ssystem*);
+static set_vector_masks(ssystem*);
+static indexkid(ssystem*, cube*, int*, int*);
+static int placeq(int, ssystem*, charge*);
+
 cube *cstack[1024];		/* Stack used in several routines. */
 
 /*
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<div class='path'>path: <a href='/guix/log/?id=b62f4ec4ca130a31575f5e5112a49e8665dc7c81'>root</a>/<a href='/guix/log/gnu?id=b62f4ec4ca130a31575f5e5112a49e8665dc7c81'>gnu</a>/<a href='/guix/log/gnu/system?id=b62f4ec4ca130a31575f5e5112a49e8665dc7c81'>system</a>/<a href='/guix/log/gnu/system/accounts.scm?id=b62f4ec4ca130a31575f5e5112a49e8665dc7c81'>accounts.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/system/accounts.scm?id=b62f4ec4ca130a31575f5e5112a49e8665dc7c81&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-03-25 23:37:06 +0100'>2019-03-25</span></td><td><a href='/guix/commit/gnu/system/accounts.scm?id=cf848cc0a17a3a58d600116896f6e7abfb0440d4'>accounts: Add default value for the 'home-directory' field of &lt;user-account&gt;.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/accounts.scm (&lt;user-account&gt;)[home-directory]: Mark as
thunked and add a default value.
(default-home-directory): New procedure.
* doc/guix.texi (User Accounts): Remove 'home-directory' from example.
* 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/install.scm (installation-os): Likewise.
* gnu/tests.scm (%simple-os): Likewise.
* gnu/tests/install.scm (%minimal-os, %minimal-os-on-vda):
(%separate-home-os, %encrypted-root-os, %btrfs-root-os): Likewise.
* tests/accounts.scm ("allocate-passwd")
("allocate-passwd with previous state"): Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-07 20:05:09 +0100'>2019-03-07</span></td><td><a href='/guix/commit/gnu/system/accounts.scm?id=6061d01512081c93c53fdd1d4302b36696403061'>activation: Operate on &lt;user-account&gt; and &lt;user-group&gt; records.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/accounts.scm (sexp-&gt;user-group, sexp-&gt;user-account): New
procedures.
* gnu/system/shadow.scm (account-activation): Call them in the arguments
to 'activate-users+groups'.
(account-shepherd-service): Likewise.
* gnu/build/activation.scm (activate-users+groups): Expect a list of
&lt;user-account&gt; and a list of &lt;user-group&gt;.  Replace uses of 'match' on
tuples with calls to record accessors.
(activate-user-home): Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-07 20:04:02 +0100'>2019-03-07</span></td><td><a href='/guix/commit/gnu/system/accounts.scm?id=f6f67b87c08fe7b901db834c714aceaef2b62b60'>system: Add (gnu system accounts).</a><span class='msg-avail'>...<span class='msg-tooltip'>The (gnu system accounts) module is meant to be used both on the build-
and on the host-side.

* gnu/system/shadow.scm &lt;top level&gt;: Call 'default-shell'.
(&lt;user-account&gt;, &lt;user-group&gt;): Move to...
* gnu/system/accounts.scm: ... here.  New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add system/accounts.scm.
</span></span></td><td>Ludovic Courtès</td></tr>