Merged r14035 into trunk branch.

Fix compilation failure on Win64 since r14020.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/12873005

git-svn-id: https://v8.googlecode.com/svn/trunk@14037 ce2b1a6d-e550-0410-aec6-3dcde31c8c00