salvager: Whitespace formatting

The whitespace here is pretty weird. Clean it up a little.

Change-Id: Ia558d453301ee1231cfb21ee87dc7f190dc905d7
Reviewed-on: http://gerrit.openafs.org/10311
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>