Linux: fix whitespace issue

introduced in Change I1e84969b. It does not
follow the overall style.

Reviewed-on: http://gerrit.openafs.org/10529
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit faf14be3827fa72914a1c792c9a99a3353717ded)

Change-Id: Id98b222c20acd985c753e5f5c9acabf235cb7975
Reviewed-on: http://gerrit.openafs.org/10544
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
Reviewed-by: Marc Dionne <marc.c.dionne@gmail.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>