2005-11-21  Sven Neumann  <sven@gimp.org>

	* plug-ins/MapObject/mapobject_main.[ch]
	* plug-ins/MapObject/mapobject_preview.c
	* plug-ins/MapObject/mapobject_ui.c: must not keep pointers in the
	struct that is being used to preserve data between invocations of
	the plug-in. Fixes bug #321932.