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=e09c04809a93faa21e3ab63d831077c361a4a677&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=e09c04809a93faa21e3ab63d831077c361a4a677&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/services?id=e09c04809a93faa21e3ab63d831077c361a4a677&amp;showmsg=1'>services</a>/<a href='/guix/log/gnu/services/vnc.scm?id=e09c04809a93faa21e3ab63d831077c361a4a677&amp;showmsg=1'>vnc.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/services/vnc.scm?id=e09c04809a93faa21e3ab63d831077c361a4a677'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2023-05-21 01:04:39 +0200'>2023-05-21</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/vnc.scm?id=896a51258aa71a483d8f6be29169098de5967baa'>services: Transient inetd services inherit requirements.</a></td><td>Ludovic Courtès</td></tr>
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That way, per-connection transient services such as 'sshd-123' inherit
dependencies of their "parent" ('sshd' in this example), which is more
consistent than not depending on anything.

* gnu/services/dict.scm (dicod-shepherd-service): Pass #:requirements to
'make-inetd-constructor'.
* gnu/services/messaging.scm (bitlbee-shepherd-service): Likewise.
* gnu/services/ssh.scm (openssh-shepherd-service): Likewise.
* gnu/services/vnc.scm (xvnc-shepherd-service): Likewise.


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<tr class='logheader'><td><span title='2023-04-02 23:35:15 -0400'>2023-04-02</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/vnc.scm?id=1d0158ab9036cff7737cbfb1678f876ae67c4ac2'>services: xvnc: Do not create a regular HOME directory for xvnc user.</a></td><td>Maxim Cournoyer</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/services/vnc.scm (%xvnc-accounts)
[home-directory]: Define as /var/empty.
[shell]: Set to nologin, for good measures.


</td></tr>
<tr class='logheader'><td><span title='2022-10-07 15:07:48 -0400'>2022-10-07</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/vnc.scm?id=00e843050012961e9cc41b003ea9271eab718541'>Revert "Revert "services: Add xvnc-service-type.""</a></td><td>Maxim Cournoyer</td></tr>
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This reverts commit 0c4966160054bc50e6ab3a4ac9c9a6a1826ab5a0.  The fix appears
in the subsequent commit, for clarity.


</td></tr>
<tr class='logheader'><td><span title='2022-10-07 12:53:22 -0400'>2022-10-07</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/vnc.scm?id=0c4966160054bc50e6ab3a4ac9c9a6a1826ab5a0'>Revert "services: Add xvnc-service-type."</a></td><td>Maxim Cournoyer</td></tr>
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This reverts commit 1c528a95cb92b7808e6603d7956185005583629f.  This broke
'guix pull', for (yet) unknown reasons.


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<tr class='logheader'><td><span title='2022-10-07 10:11:13 -0400'>2022-10-07</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/vnc.scm?id=1c528a95cb92b7808e6603d7956185005583629f'>services: Add xvnc-service-type.</a></td><td>Maxim Cournoyer</td></tr>
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* gnu/services/vnc.scm: New file.
* gnu/tests/vnc.scm: Likewise.
* gnu/local.mk: Register them.


</td></tr>