git-svn-id: https://www.imagemagick.org/subversion/ImageMagick/trunk@16691 aa41f4f7-0bf4-0310-aa73-e5a19afd5a74
Added kuwahara to Magick++

git-svn-id: https://www.imagemagick.org/subversion/ImageMagick/trunk@16692 aa41f4f7-0bf4-0310-aa73-e5a19afd5a74