Build 64-bit RPMs.
Build 64-bit RPMs.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/266024

git-svn-id: http://src.chromium.org/svn/trunk/src@28589 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: e28db91fd7033059391154b57f2e5f2509cddf66
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