2008-06-09  Sven Neumann  <sven@gimp.org>

	* gegl/operation/gegl-operation-point-render.h: added 'const' to
	the GeglRectangle* roi argument in process().

	* operations/common/brightness-contrast.c
	* operations/common/checkerboard.c
	* operations/common/color-temperature.c
	* operations/common/color.c
	* operations/common/contrast-curve.c
	* operations/common/grey.c
	* operations/common/invert.c
	* operations/common/levels.c
	* operations/common/noise.c
	* operations/common/svg-huerotate.c
	* operations/common/svg-luminancetoalpha.c
	* operations/common/svg-saturate.c
	* operations/common/value-invert.c
	* operations/common/whitebalance.c: const-ified the roi argument.

svn path=/trunk/; revision=2397