Really handle a NULL model, fixes #137211 for real.

Really handle a NULL model, fixes #137211 for real.

2004-10-25  Anders Carlsson  <andersca@gnome.org>

	* gtk/gtkentry.c: (gtk_entry_completion_timeout):
	* gtk/gtkentrycompletion.c: (gtk_entry_completion_set_model),
	(gtk_entry_completion_get_model), (gtk_entry_completion_complete):
	Really handle a NULL model, fixes #137211 for real.

	* gtk/gtkfilechooserentry.c:
	(gtk_file_chooser_entry_maybe_update_directory):
	Remove _clear, #137211 is fixed.

	* tests/testentrycompletion.c: (main):
	Add completion with an empty model.