Cleanup a possible resize idle. (#311141, Robert Ögren)

Cleanup a possible resize idle. (#311141, Robert Ögren)

2005-07-21  Matthias Clasen  <mclasen@redhat.com>

	* gtk/gtkcombobox.c (gtk_combo_box_list_destroy): Cleanup
	a possible resize idle.  (#311141, Robert Ögren)

	* gtk/gtktreemodelsort.c (gtk_tree_model_sort_row_changed):
	(gtk_tree_model_sort_sort_level): Ref the level while using it,
	otherwise it may get nuked by gtk_tree_model_sort_increment_stamp.
	(gtk_tree_model_sort_row_deleted): Don't leak the root level
	here.  (#300089, James Bramford, Markku Vire)