volinfo: fix -filenames option check

volinfo: fix -filenames option check

Fix the logic for checking the presense of the volinfo -filenames
option.  The original patch inadvertently added the -filenames
check as an if-else cause to the -orphaned flag check, which
prevents filenames from being printed when listing orphaned
vnodes.

Reviewed-on: http://gerrit.openafs.org/4689
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
(cherry picked from commit 33cb8a53fdc8907dafed2e77cc1da539d17397c5)

Change-Id: Ic538976a697317fd3458c8a619f14dd100c4cdab
Reviewed-on: http://gerrit.openafs.org/4697
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementia.org>