[1/10] WineD3D: Call glFlush outside the GL lock

[H. Verbeet]

2008/8/4 Stefan Dösinger <stefan at codeweavers.com>:
> +    /* No checkGLcall here to avoid locking the lock just for checking a call that hardly ever
> +     * fails
> +     */
I think explaining why there's no ENTER_GL()/LEAVE_GL() is more important there.