mxcl/homebrew — pull request #19563 by pteichman (2013-05-01 18:26:27+00:00)
Title: imagemagick: add an optional dependency on little-cms2

little-cms is deprecated upstream. little-cms2 is maintained,
produces higher quality output, and runs faster.

This commit preserves the ability to use little-cms if desired,
but as far as I know little-cms2 is always preferred.