Summary: Fixes T2753. Return is sent as either 10 or 13, depending on browser and OS. See, e.g. [[ http://code.google.com/p/chromium/issues/detail?id=79407 | this Chromium issue ]].
Test Plan: @cystorm confirmed this patch fixes the issue on his system.
Reviewers: btrahan, codeblock
Reviewed By: codeblock
CC: cystorm, aran
Maniphest Tasks: T2753
Differential Revision: https://secure.phabricator.com/D5381