zfs-functions.in: in_mtab() always returns 1

$fs used with the wrong sed command where should be $mntpnt instead
to match a variable exported by read_mtab()

The fix is mostly to reuse the sed command found in read_mtab()

Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Michael Niewöhner <[email protected]>
Signed-off-by: Alexey Smirnoff <[email protected]>
Closes #9168 

0 files changed, 0 insertions, 0 deletions