Merging r303685:

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r303685 | tstellar | 2017-05-23 16:35:38 -0400 (Tue, 23 May 2017) | 5 lines

merge-request.sh: Use https url for bugzilla

With the http url, the script fails with:

Connection lost/failed: 411 Client Error: Length Required
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llvm-svn: 303688