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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<tr><td><span title='2021-04-12 18:42:22 +0200'>2021-04-12</span></td><td><a href='/guix/commit/tests/ipfs.scm?id=b18f45c21f5d697d384a7bd5c9d3ee314bba9e35'>Add (guix ipfs).</a><span class='msg-avail'>...<span class='msg-tooltip'>This module allows for communicating with the IPFS
gateway over the HTTP interface.  The commit has been
cherry-picked from &lt;https://issues.guix.gnu.org/33899&gt;.

The procedures for adding and restoring file trees have
been removed as according to a reply issue 33899, a different
format will be used.  The procedure 'add-data' has been
exported as it will be used in the system test for IPFS.

* guix/ipfs.scm: New file.
* Makefile.am (MODULES): Add it.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Ludovic Courtès</td></tr>