Handle errors in setting the path bar's path. Fixes #136000, based on a

Handle errors in setting the path bar's path. Fixes #136000, based on a

2004-03-02  Federico Mena Quintero  <federico@ximian.com>

	* gtk/gtkfilechooserdefault.c
	(gtk_file_chooser_default_set_current_folder): Handle errors in
	setting the path bar's path.  Fixes #136000, based on a patch by
	Morten Welinder.

	* gtk/gtkfilesystemunix.c (gtk_file_system_unix_insert_bookmark):
	Don't free our own propagated error.

	* gtk/gtkpathbar.c (gtk_path_bar_set_path): Likewise, and free the
	parent_path upon error.  Fixes #136006, patch by Morten Welinder.
	(gtk_path_bar_set_path): Unref the file_folder upon error.
	(gtk_path_bar_set_path): Return a boolean success code.