Exit just after version output

Homebrew jenkins found this issue:
http://bot.brew.sh/job/Homebrew%20Pull%20Requests/617/version=lion/console

Change-Id: Id50e0766777c7f5b28b144190a656c772a7fe01b
Reviewed-on: http://review.couchbase.org/27359
Tested-by: Sergey Avseyev <sergey.avseyev@gmail.com>
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>