Add regex.patch file forgotten in the previous CL

BUG=422824,430353
TEST=NONE
TBR=mbarbella

Review URL: https://codereview.chromium.org/719943004

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/icu52@292944 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
1 file changed