Set finalize handler; (gtk_calendar_finalize): Rename gtk_calendar_destroy

Set finalize handler; (gtk_calendar_finalize): Rename gtk_calendar_destroy

2002-02-10  Anders Carlsson  <andersca@gnu.org>

	* gtk/gtkcalendar.c (gtk_calendar_class_init): Set finalize handler;
	(gtk_calendar_finalize): Rename gtk_calendar_destroy to gtk_calendar_finalize
	since ::destroy can be called multiple times, resulting in double-freeing memory.