kwiberg 05f3ec1356 Fix "left shift of negative value" bug
The values in question are supposed to be able to be negative.

BUG=chromium:653448

Review-Url: https://codereview.webrtc.org/2387333005
Cr-Commit-Position: refs/heads/master@{#14573}
2016-10-07 14:38:54 +00:00
..
2016-05-17 17:56:48 +00:00