Fix zlib bustage with hammer build.
Fix zlib bustage with hammer build.

TBR=sgk
Review URL: http://codereview.chromium.org/17008

git-svn-id: http://src.chromium.org/svn/trunk/src@7497 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b5d0e3d64de4db067bc0a5036da3782a872964f6
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser