* libnautilus-extensions/nautilus-search-uri.c:
	(nautilus_search_uri_to_simple_search_criteria):
	This needs to return a g_free'able string, so I changed the
	placeholder to return NULL instead of "". (g_strdup ("") would
	also have been OK.)

	* src/nautilus-complex-search-bar.h:
	* src/nautilus-complex-search-bar.c:
	(nautilus_complex_search_bar_initialize_class),
	(nautilus_complex_search_bar_initialize),
	(nautilus_complex_search_bar_get_location),
	(nautilus_complex_search_bar_set_location):
	* src/nautilus-location-bar.c: (drag_data_received_callback),
	(drag_data_get_callback), (nautilus_location_bar_initialize_class),
	(nautilus_location_bar_initialize),
	(nautilus_location_bar_set_location),
	(nautilus_location_bar_get_location):
	* src/nautilus-navigation-bar.h:
	* src/nautilus-navigation-bar.c:
	(nautilus_navigation_bar_initialize_class),
	(nautilus_navigation_bar_get_location),
	(nautilus_navigation_bar_location_chang...