determines opaque brushes in the world and find sky shaders for sunlight calculations
*/
-void SetupBrushesFlags( int mask_any, int test_any, int mask_all, int test_all ){
+void SetupBrushesFlags( unsigned int mask_any, unsigned int test_any, unsigned int mask_all, unsigned int test_all ){
int i, j, b;
unsigned int compileFlags, allCompileFlags;
qboolean inside;