Fix various warnings

code/renderergl1/tr_bsp.c

@@ -138,7 +138,6 @@ static	void R_LoadLightmaps( lump_t *l ) {
 	byte		image[LIGHTMAP_SIZE*LIGHTMAP_SIZE*4];
 	int			i, j;
 	float maxIntensity = 0;
-	double sumIntensity = 0;
 
 	len = l->filelen;
 	if ( !len ) {
@@ -193,8 +192,6 @@ static	void R_LoadLightmaps( lump_t *l ) {
 				image[j*4+1] = out[1] * 255;
 				image[j*4+2] = out[2] * 255;
 				image[j*4+3] = 255;
-
-				sumIntensity += intensity;
 			}
 		} else {
 			for ( j = 0 ; j < LIGHTMAP_SIZE * LIGHTMAP_SIZE; j++ ) {