2008-01-28  Michael Natterer  <mitch@gimp.org>

	* app/gegl/gimpoperationcolorbalance.c
	* app/gegl/gimpoperationcolorize.c
	* app/gegl/gimpoperationcurves.c
	* app/gegl/gimpoperationdesaturate.c
	* app/gegl/gimpoperationhuesaturation.c
	* app/gegl/gimpoperationlevels.c
	* app/gegl/gimpoperationposterize.c
	* app/gegl/gimpoperationthreshold.c: replace for() loops over the
	samples by while() loop counting down the passed "samples"
	parameter.


svn path=/trunk/; revision=24738