sbin/mount_fusefs/mount_fusefs.8: Fix typos
"expicitly" --> "explicitly"
"uknown" --> "unknown"
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Pull Request: https://github.com/freebsd/freebsd-src/pull/552
(cherry picked from commit c8a45820e0d94892c1a632d49ccfddd8f559801e)