2005-03-16  Morten Welinder  <terra@gnome.org>

	* src/workbook-control.c (wb_control_update_title): Handle NULL
	basename.

	* src/wbc-gtk.c (regenerate_window_menu): Ignore workbooks where
	we don't get a valid basename.

	* src/workbook-priv.h (struct Workbook): Remove .basename.

	* src/workbook.c (workbook_get_basename): Delete, it's unused.