minor cleanups in GL
minor cleanups in GL

AeroGlass/g3m,octavianiLocator/g3m,octavianiLocator/g3m,AeroGlass/g3m,octavianiLocator/g3m,octavianiLocator/g3m,AeroGlass/g3m,AeroGlass/g3m,AeroGlass/g3m,octavianiLocator/g3m,AeroGlass/g3m,octavianiLocator/g3m