Fix ToUnicode generation bug.

Code from arthurhsu@chromium.org Original CL: http://codereview.appspot.com/5492061/

BUG=Chromium:104062

Review URL: http://codereview.appspot.com/5498064

git-svn-id: http://skia.googlecode.com/svn/trunk@2944 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed