2007-12-29  Michael Natterer  <mitch@gimp.org>

	* app/tools/gimpbrightnesscontrasttool.c
	* app/tools/gimpcolorbalancetool.c
	* app/tools/gimpcolorizetool.c
	* app/tools/gimphuesaturationtool.c
	* app/tools/gimplevelstool.c
	* app/tools/gimpthresholdtool.c: more cleanup in preparation of
	migrating to gegl.


svn path=/trunk/; revision=24468