cgl_glew: prevent warning in compiler when compiling a function not used (in CI)
cgl_glew: prevent warning in compiler when compiling a function not used (in CI)

inclement/kivy,inclement/kivy,matham/kivy,kivy/kivy,matham/kivy,matham/kivy,kivy/kivy,rnixx/kivy,matham/kivy,inclement/kivy,rnixx/kivy,akshayaurora/kivy,kivy/kivy,rnixx/kivy,akshayaurora/kivy,akshayaurora/kivy