JW Wang 79b5f2dd2e Bug 1425996 - fix build error: unused variable 'rv'. r=gerald
MozReview-Commit-ID: 7MhsSWbxB3z

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extra : rebase_source : 81207a1e5b663314295f2f95afd4b726ffe8f12d
2017-12-21 12:12:42 +08:00
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