* e-shell.c (impl_Shell_user_select_folder): Translate a default_folder of "" into NULL (which can't be passed over CORBA). svn path=/trunk/; revision=4057
* e-shell.c (impl_Shell_user_select_folder): Translate a default_folder of "" into NULL (which can't be passed over CORBA). svn path=/trunk/; revision=4057