ghostscript: add dep on little-cms2

Formula/ghostscript.rb

@@ -25,6 +25,7 @@ class Ghostscript < Formula
   depends_on 'jpeg'
   depends_on 'libtiff'
   depends_on 'jbig2dec'
+  depends_on 'little-cms2'
   depends_on :libpng
   depends_on :x11 => ['2.7.2', :optional]
   depends_on 'djvulibre' if build.with? 'djvu'
@@ -50,11 +51,8 @@ def move_included_source_copies
     # If the install version of any of these doesn't match
     # the version included in ghostscript, we get errors
     # Taken from the MacPorts portfile - http://bit.ly/ghostscript-portfile
-    renames = %w(jpeg libpng tiff zlib jbig2dec)
-    renames << "freetype" if MacOS.version >= :lion
-    renames.each do |lib|
-      mv lib, "#{lib}_local"
-    end
+    renames = %w{freetype jbig2dec jpeg lcms2 libpng tiff zlib}
+    renames.each { |lib| mv lib, "#{lib}_local" }
   end
 
   def install