xwayland: keep `xwl_present_timer_callback()` private
xwl_present_timer_callback()
is initially marked a private and later
implemented as public.
Let's keep that private, shall we.
Signed-off-by: Olivier Fourdan ofourdan@redhat.com
xwl_present_timer_callback()
is initially marked a private and later
implemented as public.
Let's keep that private, shall we.
Signed-off-by: Olivier Fourdan ofourdan@redhat.com