Load/save the file chooser's size

Load/save the file chooser's size
	* gtk/gtkfilechooserdefault.c (save_dialog_geometry): New function.
	(settings_save): Save the dialog's geometry.
	(gtk_file_chooser_default_get_default_size): Load the geometry
	from the settings.  If it was already saved, return that instead
	of computing an ad-hoc size.

Signed-off-by: Federico Mena Quintero <federico@novell.com>
svn path=/trunk/; revision=22119