Fixed other cases (PNG48, PNG64) that did not work with PNG00.
Fixed other cases (PNG48, PNG64) that did not work with PNG00.


git-svn-id: 7f11a4e55de7d4642c7675696f15857479c93c9d@15527 aa41f4f7-0bf4-0310-aa73-e5a19afd5a74

svn2github/ImageMagick,svn2github/ImageMagick,svn2github/ImageMagick,svn2github/ImageMagick