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. */
 
 /*
='/'>index</a> : <a href='/guix/'>guix</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='fc4ff50f2d77d1ff20ebb5a1113b56487d34640f'/><select name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=fc4ff50f2d77d1ff20ebb5a1113b56487d34640f'>refs</a><a class='active' href='/guix/log/config-daemon.ac'>log</a><a href='/guix/tree/config-daemon.ac?id=fc4ff50f2d77d1ff20ebb5a1113b56487d34640f'>tree</a><a href='/guix/commit/config-daemon.ac?id=fc4ff50f2d77d1ff20ebb5a1113b56487d34640f'>commit</a><a href='/guix/diff/config-daemon.ac?id=fc4ff50f2d77d1ff20ebb5a1113b56487d34640f'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/config-daemon.ac'>
<input type='hidden' name='id' value='fc4ff50f2d77d1ff20ebb5a1113b56487d34640f'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=fc4ff50f2d77d1ff20ebb5a1113b56487d34640f'>root</a>/<a href='/guix/log/config-daemon.ac?id=fc4ff50f2d77d1ff20ebb5a1113b56487d34640f'>config-daemon.ac</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/config-daemon.ac?id=fc4ff50f2d77d1ff20ebb5a1113b56487d34640f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-09-06 10:59:32 +0200'>2018-09-06</span></td><td><a href='/guix/commit/config-daemon.ac?id=888b64038db00c73467a05320c7c7f03070e5621'>build: Remove -L flag when $LIBGCRYPT_LIBDIR is empty.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-03-05 10:41:18 +0100'>2018-03-05</span></td><td><a href='/guix/commit/config-daemon.ac?id=bdbece905538caf68817066126cb9b6b68ba9fd4'>build: Default to berlin.guixsd.org substitutes on aarch64.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-03-05 10:41:18 +0100'>2018-03-05</span></td><td><a href='/guix/commit/config-daemon.ac?id=234d7ef567bd98ace98dd784472f19d2ee84f73d'>build: Always use https substitute URLs.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-02-27 00:45:59 +0100'>2018-02-27</span></td><td><a href='/guix/commit/config-daemon.ac?id=6f4c74620da01ead97507ead59b8b7a007fc5c5a'>build: Really build 'guix offload' when possible.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-02-26 18:19:34 +0100'>2018-02-26</span></td><td><a href='/guix/commit/config-daemon.ac?id=1d84d7bf6052c0c80bd212d4524876576e9817d4'>build: Require Guile &gt;= 2.0.13.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-01-07 23:47:22 +0100'>2018-01-07</span></td><td><a href='/guix/commit/config-daemon.ac?id=f997137d0e2eba27bb1e2b282ee19ea474c41e12'>daemon: Make libbz2 an optional dependency.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-01-07 23:47:22 +0100'>2018-01-07</span></td><td><a href='/guix/commit/config-daemon.ac?id=29a686688674dc875775305312513405fa396a06'>daemon: Add gzip log compression.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>