if action is SELECT_FOLDER, then return the currentd folder if none is

if action is SELECT_FOLDER, then return the currentd folder if none is

Sun Mar  7 03:03:57 2004  Jonathan Blandford  <jrb@gnome.org>

        * gtk/gtkfilechooserdefault.c
        (gtk_file_chooser_default_get_paths): if action is
        SELECT_FOLDER, then return the currentd folder if none is
        selected.
        (gtk_file_chooser_default_should_respond): Allow 'Ok' to be hit if
        no directory is selected in SELECT_FOLDER mode.