5312 libzfs should be decoupled from kernel's zfs_context.h
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Will Andrews <willa@spectralogic.com>
Reviewed by: Andriy Gapon <avg@FreeBSD.org>
Approved by: Dan McDonald <danmcd@omniti.com>
Author: Justin T. Gibbs <justing@spectralogic.com>

illumos/illumos-gate@587644a8567e6a9533f88401daa59cbd78c4632f