2004-07-11  Michael Natterer  <mitch@gimp.org>

	* app/core/gimp-utils.[ch] (gimp_parameters_append)
	(gimp_parameters_append_valist)
	(gimp_parameters_free): new utility functions which create and
	destroy GParameter arrays for g_object_newv().

	* app/gui/gui-vtable.c (gui_pdb_dialog_new): use them.