Fix author and changelog skipping.

Same problem as the other one.

Change-Id: I6d63b6d969756bca6b7df9ef9ee78e12ca1b052e
Reviewed-on: https://review.openstack.org/30538
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Tested-by: Jenkins