2006-08-23  Federico Mena Quintero  <federico@novell.com>

	* gtk/gtkfilesystem.[ch] (_gtk_file_system_create): Renamed to
	gtk_file_system_create() so that it will get exported and we can
	use it in the test program.

	* gtk/gtk.symbols: Added gtk_file_system_create.

	* gtk/gtkfilechooserdefault.c (set_file_system_backend): Use
	gtk_file_system_create().

	* tests/autotestfilesystem.c: New file with automatic tests for
	the async callbacks and cancelation policy of GtkFileSystem.

	* tests/Makefile.am: Added autotestfilesystem.