2004-05-28  Sven Neumann  <sven@gimp.org>

	* plug-ins/Lighting/lighting_ui.c
	* plug-ins/MapObject/mapobject_ui.c
	* plug-ins/common/warp.c
	* plug-ins/gfig/gfig.c: tooltips can't be set on a GtkComboBox so
	we need to pack it into a GtkEventBox when a tooltip is needed.