Don't handle internal/external parent types different in glib_wrapper!()
Don't handle internal/external parent types different in glib_wrapper!()

GuillaumeGomez/gir,gtk-rs/gir,GuillaumeGomez/gir,gtk-rs/gir,EPashkin/gir,GuillaumeGomez/gir,gtk-rs/gir,EPashkin/gir