Clarify the usage of this function. (gtk_file_chooser_set_uri): Likewise.

Clarify the usage of this function. (gtk_file_chooser_set_uri): Likewise.

2005-07-21  Federico Mena Quintero  <federico@ximian.com>

	* gtk/gtkfilechooser.c (gtk_file_chooser_set_filename): Clarify
	the usage of this function.
	(gtk_file_chooser_set_uri): Likewise.
	(gtk_file_chooser_set_current_name): Likewise.

	* gtk/gtkfilechooserdefault.c (set_file_system_backend):
	Instrument this function for profiling as well.
	(gtk_file_chooser_default_init): Likewise; just to have a marker
	of where instance initialization begins.