More importantly, switch libbe away from the internal zmount() interface. A similar diff is being proposed to ZoL at https://github.com/zfsonlinux/zfs/pull/9833 for this as well.
Remove spurious blank line
This was accepted into ZoL this morning: https://github.com/zfsonlinux/zfs/commit/68a192e4b762 -> merging this into the FreeBSD-merging-into-ZoL efforts should be fairly trivial
Looks reasonable. This will make its way into ZoF next time we rebase, since there aren't any platform-specific files changed. The port should be updated shortly thereafter.