* components/history/nautilus-history-view.c:
	(history_view_frame_call_end):
	* libnautilus/nautilus-undo.c: (set_up_bonobo_control):
	* libnautilus/nautilus-view.c: (view_frame_call_end):
	* libnautilus/nautilus-zoomable.c:
	(nautilus_zoomable_ensure_zoomable_frame):
	Fixed a ref. count leak by adding code to unref the result of
	query_interface.

	* src/nautilus-view-frame.c: (nautilus_view_frame_is_zoomable):
	Fixed logic that was backwards.