Message after `rain on` displays wrong tag name

[tubbo]

The correct tag is still deployed, but the reporting of which tag it is is incorrect on the 2nd line of output.

♬  be rain on production
Making it rain on production...
Deploying existing tag rel_1.6.54 to 'production'.
executing... bundle exec cap to_production deploy
  * 2012-11-07 16:50:13 16:50:13 == Currently executing `to_production'
    triggering after callbacks for `to_production'
  * 2012-11-07 16:50:13 16:50:13 == Currently executing `to_latest_tag'
  * 2012-11-07 16:50:13 16:50:13 == Currently executing `deploy'
  * 2012-11-07 16:50:13 16:50:13 == Currently executing `deploy:update'
 ** transaction: start
  * 2012-11-07 16:50:13 16:50:13 == Currently executing `deploy:update_code'
    triggering before callbacks for `deploy:update_code'
  * 2012-11-07 16:50:13 16:50:13 == Currently executing `flowdock:read_current_deployed_branch'
  * executing "cat /mnt/deploy/affiliates/current/BRANCH"
    servers: ["ec2-107-20-45-39.compute-1.amazonaws.com"]
    [ec2-107-20-45-39.compute-1.amazonaws.com] executing command
    command finished in 726ms
    updating the cached checkout on all servers
    executing locally: "git ls-remote git@github.com:eLocal/affiliates.git rel_1.6.69"