Add forward declarations.

--- fasthenry-3.0/src/fasthenry/sparse/spSolve.c.orig	2015-07-22 12:06:20.502771958 +0200
+++ fasthenry-3.0/src/fasthenry/sparse/spSolve.c	2015-07-22 12:12:03.822798513 +0200
@@ -95,6 +95,7 @@
 #include "spDefs.h"
 
 
+static void SolveComplexMatrix( MatrixPtr, RealVector, RealVector );
 
 
 
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