2005-08-11  Kristian Rietveld  <kris@gtk.org>

	Fix for #312924, by John Finlay.

	* gtk/gtkliststore.c (gtk_list_store_increment_stamp),
	(gtk_list_store_clear): increment stamp on store clearance.

	* gtk/gtktreestore.c (gtk_tree_store_increment_stamp),
	(gtk_tree_store_clear): ditto.