fsnotify: remove a stray unlock

We recently shifted this code around, so we're no longer holding the
lock on this path.

Fixes: 755b5bc681eb ("fsnotify: Remove indirection from mark list addition")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
1 file changed