Fix glfw-example
Fix glfw-example

hpicgs/gloperate,j-o/gloperate,cginternals/gloperate,cginternals/gloperate,hpicgs/gloperate,cginternals/gloperate,hpicgs/gloperate,j-o/gloperate,hpicgs/gloperate,cginternals/gloperate,j-o/gloperate,j-o/gloperate,hpicgs/gloperate