fixup: fixup

Author: illwieckz

src/engine/renderer/glsl_source/cameraEffects_fp.glsl

@@ -42,7 +42,7 @@ void	main()
 
 	color.rgb *= u_LightFactor;
 
-	color.rgb = clamp(color.rgb, 0.0, 1.0);
+	color = clamp(color, 0.0, 1.0);
 
 	// apply color grading
 	vec3 colCoord = color.rgb * 15.0 / 16.0 + 0.5 / 16.0;