Fix refcounting bug for Type1 font usage with more than 255 characters.

R=bungeman@google.com

Author: vandebo@chromium.org

Review URL: https://codereview.chromium.org/103423003

git-svn-id: http://skia.googlecode.com/svn/trunk@12520 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed