viced: fix typo in help for option -unsafe-nosalvage

viced: fix typo in help for option -unsafe-nosalvage

Reviewed-on: https://gerrit.openafs.org/13367
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
(cherry picked from commit 84b3e1c43685862c147603627a020a68650d6e1c)

Change-Id: Ie264fbd0064a3e22b1c474cea59040ecb0804b73
Reviewed-on: https://gerrit.openafs.org/13411
Reviewed-by: Mark Vitale <mvitale@sinenomine.net>
Reviewed-by: Michael Meffie <mmeffie@sinenomine.net>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>