Add another gl_check() which does nothing in release builds
Add another gl_check() which does nothing in release builds

galek/crown,taylor001/crown,galek/crown,taylor001/crown,mikymod/crown,taylor001/crown,dbartolini/crown,dbartolini/crown,mikymod/crown,galek/crown,galek/crown,dbartolini/crown,taylor001/crown,mikymod/crown,dbartolini/crown,mikymod/crown