Allow passing NULL to unset the model. (#137211, patch by Mariano

Allow passing NULL to unset the model. (#137211, patch by Mariano

Fri Jun 25 23:35:42 2004  Matthias Clasen  <maclas@gmx.de>

	* gtk/gtkentrycompletion.c (gtk_entry_completion_set_model):
	* gtk/gtkcombobox.c (gtk_combo_box_set_model): Allow passing
	NULL to unset the model.  (#137211, patch by  Mariano Suárez-Alvarez)

Fri Jun 25 23:33:05 2004  Matthias Clasen  <maclas@gmx.de>

	* gtk/gtkcombobox.c (gtk_combo_box_menu_position_below): Fix the
	placement policy for GtkComboBoxEntry to be: if it fits below,
	place below, if it fits above place above, else place in the
	larger space and scroll so that the scroll arrow appear at the
	far end.  (#144362, David A. Knight)