Set the executable bit for checked-in binaries.

This also updates release_binaries.py to automate this step, preventing regressions on future binary releases. This is required so as to not to break Cygwin support in Chromium builds.

BUG=
TBR=siggi@chromium.org

Review URL: https://codereview.appspot.com/53730045

git-svn-id: http://sawbuck.googlecode.com/svn/trunk/syzygy/binaries@2000 15e8cca8-e42c-11de-a347-f34a4f72eb7d
31 files changed