GPU: Explicitily assign enum values for GEComparison.

GPU/ge_constants.h

@@ -330,13 +330,13 @@ enum GEMatrixType {
 enum GEComparison
 {
 	GE_COMP_NEVER=0,
-	GE_COMP_ALWAYS,
-	GE_COMP_EQUAL,
-	GE_COMP_NOTEQUAL,
-	GE_COMP_LESS,
-	GE_COMP_LEQUAL,
-	GE_COMP_GREATER,
-	GE_COMP_GEQUAL
+	GE_COMP_ALWAYS=1,
+	GE_COMP_EQUAL=2,
+	GE_COMP_NOTEQUAL=3,
+	GE_COMP_LESS=4,
+	GE_COMP_LEQUAL=5,
+	GE_COMP_GREATER=6,
+	GE_COMP_GEQUAL=7
 };
 
 enum GEShadeMode