Build error fix after r14283.

BUG=NONE

Review URL: https://codereview.chromium.org/14060010

Patch from Marja Hölttä <marja@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14286 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Release build fix

TBR=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/14296008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14287 ce2b1a6d-e550-0410-aec6-3dcde31c8c00