BugLink: https://bugs.launchpad.net/bugs/1769937

Sync with zfsutils-linux 0.6.5.6-0ubuntu26 to pick up fixes for
LP#1769937.

Upstream ZFS fix 4ceb8dd6fdfd ("Fix 'zpool create -t <tempname>'")
fixes error message and error exit when using the -t option
when creating a pool.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Khalid Elmously <khalid.elmously@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>