(cherry picked from commit 05785d28)

Conflicts:
	basegfx/inc/basegfx/tools/gradienttools.hxx
	basegfx/source/tools/gradienttools.cxx
	cppcanvas/source/mtfrenderer/implrenderer.cxx
	drawinglayer/inc/drawinglayer/primitive2d/fillgradientprimitive2d.hxx
	drawinglayer/inc/drawinglayer/texture/texture.hxx
	drawinglayer/source/primitive2d/fillgradientprimitive2d.cxx
	drawinglayer/source/processor2d/vclhelpergradient.cxx

Change-Id: I21f94e7b4eede094171a83a009ae19213e77f22c

Unname unused argument to prevent warnings.

(cherry picked from commit f7d4af83)

Change-Id: I44381f1e417c39dfbd1d4051079bbd09f0c61848