dialog from "View as" menu wouldn't update the menu
	title.

	* src/nautilus-window.c: (nautilus_window_synch_content_view_menu),
	(view_menu_choose_view_callback),
	(nautilus_window_load_content_view_menu): Renamed
	"synch_view_as_menu" to "nautilus_window_synch_content_view_menu".
	* src/nautilus-window-private.h: Put this function here so it
	can be used in -manage-views.c.
	* src/nautilus-window-manage-views.c:
	(nautilus_window_has_really_changed): Call this function to
	fix "View as" menu title when the view but not the location changes.