Apply a local patch to ucol.cpp


BUG=433866
TEST=See the bug.
R=mbarbella@google.com

Review URL: https://codereview.chromium.org/751333003

git-svn-id: https://src.chromium.org/chrome/trunk/deps/third_party/icu52@293126 4ff67af0-8c30-449e-8e8b-ad334ec8d88c