ubik: Trivial formatting fix

Change-Id: Ie409dc5dc7fe63cc72c97666146e7019e5db086e
Reviewed-on: http://gerrit.openafs.org/8917
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>