multipath needs to be autoloaded with domultipath, ditto dozfs => zfs.

Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
Bug #468760: mpath_prio_* tools needed sometimes. Patch by Ian Stakenvicius <axs@gentoo.org>.

Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
Bump version to 3.4.51

Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>