Add forward declarations.

--- fasthenry-3.0/src/fasthenry/sparse/spFactor.c.orig	2015-07-22 10:37:04.934043468 +0200
+++ fasthenry-3.0/src/fasthenry/sparse/spFactor.c	2015-07-22 12:52:55.515636802 +0200
@@ -105,7 +105,29 @@
 #include "spDefs.h"
 
 
-
+static int FactorComplexMatrix( MatrixPtr );
+static CreateInternalVectors( MatrixPtr );
+static CountMarkowitz( MatrixPtr, register RealVector, int );
+static MarkowitzProducts( MatrixPtr, int );
+static ElementPtr SearchForPivot( MatrixPtr, int, int );
+static ElementPtr SearchForSingleton( MatrixPtr, int );
+static ElementPtr QuicklySearchDiagonal( MatrixPtr, int );
+static ElementPtr SearchDiagonal( MatrixPtr, register int );
+static ElementPtr SearchEntireMatrix( MatrixPtr, int );
+static RealNumber FindLargestInCol( register  ElementPtr );
+static RealNumber FindBiggestInColExclude( MatrixPtr, register  ElementPtr,
+                                           register  int );
+static ExchangeRowsAndCols( MatrixPtr, ElementPtr, register int );
+static ExchangeColElements( MatrixPtr, int, register  ElementPtr,
+                            int, register  ElementPtr, int );
+static ExchangeRowElements( MatrixPtr, int, register ElementPtr,
+                            int, register ElementPtr, int );
+static RealRowColElimination( MatrixPtr, register  ElementPtr );
+static ComplexRowColElimination( MatrixPtr, register  ElementPtr );
+static UpdateMarkowitzNumbers( MatrixPtr, ElementPtr );
+static ElementPtr CreateFillin( MatrixPtr, register int, int );
+static int MatrixIsSingular( MatrixPtr, int );
+static int ZeroPivot( MatrixPtr, int );
 
 
 
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<tr><td><span title='2023-05-09 08:23:05 +0300'>2023-05-09</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=cdba1d8e2e4f4beb9fdea46950fc5a549e0b4e68'>gnu: gimp: Build with librsvg-for-system.</a></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-05-09 08:23:01 +0300'>2023-05-09</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=3d6f7a45d97e8c84f169cb98be980c03dfc60f7f'>gnu: gegl: Build with librsvg-for-system.</a></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-03-31 14:16:13 +0200'>2023-03-31</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=c000352c27f511dfb5569bef09f9b774d6100117'>gnu: Replace all uses of atk by at-spi2-core.</a></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2023-03-07 12:54:53 -0500'>2023-03-07</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=42b2766e3af756e17f7b1dee880a8148f4c7f4f1'>gnu: gegl: Update to 0.4.42</a></td><td>Andy Tai</td></tr>
<tr><td><span title='2023-03-02 11:32:20 +0800'>2023-03-02</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=e7e1f585639c3c14c2f134301fb5352ee9df9b18'>gnu: gimp: Don't retain reference on GCC.</a></td><td>宋文武</td></tr>
<tr><td><span title='2023-01-03 12:07:46 -0500'>2023-01-03</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=4c123214669a9c54173cd89e0f86b603b23d93ea'>gnu: Remove Glimpse.</a></td><td>Leo Famulari</td></tr>
<tr><td><span title='2022-08-30 17:59:18 +0200'>2022-08-30</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=77c07d9a6149f41870684df587e1fee5dad78acd'>gnu: babl: Update to 0.1.96.</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-06-18 13:07:10 -0300'>2022-06-18</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=ea6738c74fcf9a847a21b1b22b0dc571bea6df38'>gnu: gimp: Update to 2.10.32.</a></td><td>Vinicius Monego</td></tr>
<tr><td><span title='2022-06-18 13:07:10 -0300'>2022-06-18</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=0d7d5a05c741e545748c3b3cbe43bfece3e5697e'>gnu: gegl: Update to 0.4.36.</a></td><td>Vinicius Monego</td></tr>
<tr><td><span title='2022-06-18 13:07:10 -0300'>2022-06-18</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=f7882f7b756d432512b522cfa6ec302fc74ed9be'>gnu: babl: Update to 0.1.92.</a></td><td>Vinicius Monego</td></tr>
<tr><td><span title='2022-05-31 14:53:44 -0400'>2022-05-31</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=5f2c56e739d03ba418dadb7f4dcb0bfb5f7ffd38'>gnu: glimpse: Drop Python 2 support.</a></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-05-31 14:53:44 -0400'>2022-05-31</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=8d71e5b2a5b5f5e6ca49e10a65384c298437b401'>gnu: gimp: Drop Python 2 support.</a></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-12-22 03:07:34 +0100'>2021-12-22</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=c0c878856edba12d148aa3ec3dfbe7381db1f9f9'>gnu: gimp: Update to 2.10.30.</a></td><td>Vinicius Monego</td></tr>
<tr><td><span title='2021-12-22 03:07:34 +0100'>2021-12-22</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=0be21b0820fc613230f2e338d7c93ca7103b9ad0'>gnu: gegl: Update to 0.4.34.</a></td><td>Vinicius Monego</td></tr>
<tr><td><span title='2021-12-13 17:48:25 +0100'>2021-12-13</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=8394619baceb118df92e355377fd543bb1aa501a'>gnu: Simplify package inputs.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-10-31 14:49:47 +0200'>2021-10-31</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=bc5155b952ae8bdbc56aded4d8d39768b4e2a7d4'>Merge remote-tracking branch 'origin/master' into core-updates-frozen</a></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2021-10-23 16:22:06 -0400'>2021-10-23</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=d71336b2e3c86432f174645163d06a3ef83deaae'>gnu: Rename openexr to openexr-2.</a></td><td>Vinicius Monego</td></tr>
<tr><td><span title='2021-10-12 17:46:23 +0000'>2021-10-12</span></td><td><a href='/guix/commit/gnu/packages/gimp.scm?id=a1eca979fb8da842e73c42f4f53be29b169810f2'>Merge remote-tracking branch 'origin/master' into core-updates-frozen.</a></td><td>Mathieu Othacehe</td></tr>