git-svn-id: https://www.imagemagick.org/subversion/ImageMagick/trunk@16874 aa41f4f7-0bf4-0310-aa73-e5a19afd5a74
Fixed return value of resolutionUnits in Magick++.

git-svn-id: https://www.imagemagick.org/subversion/ImageMagick/trunk@16875 aa41f4f7-0bf4-0310-aa73-e5a19afd5a74
git-svn-id: https://www.imagemagick.org/subversion/ImageMagick/trunk@16878 aa41f4f7-0bf4-0310-aa73-e5a19afd5a74
git-svn-id: https://www.imagemagick.org/subversion/ImageMagick/trunk@16879 aa41f4f7-0bf4-0310-aa73-e5a19afd5a74