Take a shortcut position, not a ShortcutsIndex, to make the function more

Take a shortcut position, not a ShortcutsIndex, to make the function more

2005-10-04  Federico Mena Quintero  <federico@ximian.com>

	* gtk/gtkfilechooserdefault.c (switch_to_shortcut): Take a
	shortcut position, not a ShortcutsIndex, to make the function more
	generic.
	(home_folder_handler): Pass the resolved index to
	switch_to_shortcut(), rather than just SHORTCUTS_HOME.
	(desktop_folder_handler): Likewise for SHORTCUTS_DESKTOP.
	(gtk_file_chooser_default_class_init): Add a "quick-bookmark"
	binding signal, and bind it to Alt-1, Alt-2. ..., Alt-0.  These
	make the respective key switch to the first, second, ..., tenth
	bookmark.
	(quick_bookmark_handler): Implement.