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='2018-05-29 18:29:36 +0200'>2018-05-29</span></td><td><a href='/guix/commit/CODE-OF-CONDUCT?id=a076f19908d06b6df49f1c25c40de8838213cd71'>CODE-OF-CONDUCT: Switch to version 1.4 of the Contributor Covenant.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-04-04 23:45:57 +0200'>2016-04-04</span></td><td><a href='/guix/commit/CODE-OF-CONDUCT?id=e314ce1bd7b21229c750ab7132feac8189da87ba'>CoC: Clarify which project we're talking about.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-12-09 14:29:41 +0100'>2015-12-09</span></td><td><a href='/guix/commit/CODE-OF-CONDUCT?id=e15fcdd149cec662fcaf4b550ee32879bd53a591'>Add "Contributor Covenant".</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>