GitLab

We only recently started doing mac 64-bit official builds.
The archival list for debug symbols assumed only a 32-bit mac build.

BUG=None
TEST=None
R=kerz@chromium.org, kerz@google.com

Review URL: https://codereview.chromium.org/17029019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@207939 0039d316-1c4b-4281-b951-d872f2087c98