Make a NO_WINDOW widget, as it should have been since the beginning, but

Make a NO_WINDOW widget, as it should have been since the beginning, but

Sun Nov 18 18:18:11 2001  Owen Taylor  <otaylor@redhat.com>

	* gtk/gtkfixed.c: Make a NO_WINDOW widget, as it should
	have been since the beginning, but as special hack,
	allow clearing the NO_WINDOW flag to get a window widget.