Avoid using Z_RLE and Z_FIXED with old zlib versions that don't support them.
Avoid using Z_RLE and Z_FIXED with old zlib versions that don't support them.


git-svn-id: 7f11a4e55de7d4642c7675696f15857479c93c9d@4680 aa41f4f7-0bf4-0310-aa73-e5a19afd5a74

Distrotech/ImageMagick,brightinteractive/debian-imagemagick,brightinteractive/debian-imagemagick,svn2github/ImageMagick,Distrotech/ImageMagick,Distrotech/ImageMagick,svn2github/ImageMagick,svn2github/ImageMagick,brightinteractive/debian-imagemagick,svn2github/ImageMagick,Distrotech/ImageMagick,brightinteractive/debian-imagemagick