Fix GCC 4.7 (C++11) compilation.
Cherry-pick of
90d12ab92e857dbb437cd4e0c132369d27947cbc from v8 git.
Original patch by Olivier Goffart <ogoffart@kde.org>.
BUG=v8:2136
TEST=
Review URL: https://chromiumcodereview.appspot.com/
10387210
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@11600
ce2b1a6d-e550-0410-aec6-
3dcde31c8c00
Change-Id: Ib0f30c83596b66db053600cdae4ca86814046dc4
Reviewed-by: Girish Ramakrishnan <girish.1.ramakrishnan@nokia.com>
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>