update freetype version-check for const git-svn-id: http://skia.googlecode.com/svn/trunk@66 2bbb7eff-a529-9590-31e7-b0007b416f81
git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81