FreeBSD/src 5644318 (r318814)cddl/contrib/opensolaris/lib/libzfs_core/common libzfs_core.c

MFC r316904: 7729 libzfs_core`lzc_rollback() leaks result nvl

illumos/illumos-gate at ac428481f96be89add7a1edf43ae47dd71038553
https://github.com/illumos/illumos-gate/commit/ac428481f96be89add7a1edf43ae47dd71038553

https://www.illumos.org/issues/7729
  libzfs_core`lzc_rollback() doesn't free the result nvl after lzc_ioctl() call.

Reviewed by: Matthew Ahrens <mahrens at delphix.com>
Reviewed by: Prakash Surya <prakash.surya at delphix.com>
Approved by: Dan McDonald <danmcd at omniti.com>
Author: Yuri Pankov <yuri.pankov at nexenta.com>

MFC after:      2 weeks
DeltaFile
+2-0cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core.c
+2-01 files

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