Quiet warnings

source/blender/editors/screen/glutil.c

@@ -700,7 +700,7 @@ void bglPolygonOffset(float viewdist, float dist)
 		// glPolygonOffset(-1.0, -1.0);
 
 		/* hack below is to mimic polygon offset */
-		gpuGetProjectionMatrix3D(winmat);
+		gpuGetProjectionMatrix3D((float (*)[4])winmat);
 		
 		/* dist is from camera to center point */
 		
@@ -737,7 +737,7 @@ void bglPolygonOffset(float viewdist, float dist)
 		offset = 0.0;
 	}
 
-	gpuLoadProjectionMatrix3D(winmat);
+	gpuLoadProjectionMatrix3D((const float (*)[4])winmat);
 }
 
 /* **** Color management helper functions for GLSL display/transform ***** */