2065 'zpool key -u' doesn't umount encrypted datasets

[anthony.scarp...@sun.com]

Author: Anthony Scarpino <Anthony.Scarpino at Sun.COM>
Repository: /hg/zfs-crypto/gate
Latest revision: 640920274fcdd08aed676d211e166fbf4f50b021
Total changesets: 1
Log message:
2065 'zpool key -u' doesn't umount encrypted datasets

Files:
        update: usr/src/lib/libzfs/common/libzfs_mount.c