Stop the timer on destroy, or when we are notified that we are shadowed by

Stop the timer on destroy, or when we are notified that we are shadowed by

Tue Jan 15 18:10:24 2002  Owen Taylor  <otaylor@redhat.com>

	* gtk/gtkspinbutton.c (gtk_spin_button_grab_notify): Stop
	the timer on destroy, or when we are notified that we are
	shadowed by a modal dialog.

	* gtk/gtkspinbutton.c: Remove explicit gtk_grab_add()/remove() -
	not needed any more.

	* gtk/gtkmain.c (gtk_grab_notify): Fix problem where notifications
	weren't sent out for the default grab group.

	* gtk/gtkmain.c (gtk_grab_notify): Fix notification of widgets that
	were getting events because they were part of the previous grab.