commit 33a5703a620ec246ee08214e6c880068b6e9d687
author qingchengl <qingchengl@opera.com> Thu Mar 23 08:22:16 2017
committer Commit bot <commit-bot@chromium.org> Thu Mar 23 08:22:16 2017
tree b613266247d9f61c2d80bff5962222e8e6d7be0b
parent 430307ef971c7bb91ac0b9f6ac80e511e6418c13

Update expat to 2.2.0 to fix CVE vulnerability.

Security fixes:
    CVE-2016-0718 -- Fix crash on malformed input
    CVE-2016-4472 -- Improve insufficient fix to CVE-2015-1283 /
    CVE-2015-2716 introduced with Expat 2.1.1
    CVE-2016-5300 -- Use more entropy for hash initialization
        than the original fix to CVE-2012-0876
    CVE-2012-6702 -- Resolve troublesome internal call to srand
            that was introduced with Expat 2.1.0
            when addressing CVE-2012-0876 (issue #496)

BUG=703537

Review-Url: https://codereview.chromium.org/2761253002
Cr-Commit-Position: refs/heads/master@{#459025}