FreeBSD_HEAD_i386 - Build #2082 - Fixed

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FreeBSD_HEAD_i386 - Build #2082 - Fixed:

Build information: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_i386/2082/
Full change log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_i386/2082/changes
Full build log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_i386/2082/console

Change summaries:

293612 by allanjude:
Return call to init_zfs_bootenv to its previous location

When called to early, new_currdev->d_type was not yet set
zfs_fmtdev() would then return null

While here, guard call to init_zfs_bootenv with if d_type == DEVT_ZFS

Reported by:	tsoome at me.com
MFC after:	3 days
Sponsored by:	ScaleEngine Inc.

293611 by melifaro:
Fix userland build broken by r293470.

Pointy hat to:	melifaro