* gtk/gtkfilechooserdefault.c:
* gtk/gtkfilechooserprivate.h:
* gtk/gtkfilechoosersettings.c:
* gtk/gtkfilechoosersettings.h:
Save the expanded state of the folder browser with the file
chooser settings.  Resolves the expander portions of (#153828,
Lemmit Kaplinski)

svn path=/trunk/; revision=17121