Fix OS X build - lose GetCocoaWindow() and GetNSGLContext().
Fix OS X build - lose GetCocoaWindow() and GetNSGLContext().

gonutz/glfw,james4k/glfw,james4k/glfw,go-gl/glfw,jonbuckley33/glfw3,gonutz/glfw,go-gl/glfw,go-gl/glfw,jonbuckley33/glfw3