5427 memory leak in libzfs when doing rollback
Reviewed by: Michael Tsymbalyuk <mtzaurus@gmail.com>
Reviewed by: Steven Hartland <killing@multiplay.co.uk>
Approved by: Dan McDonald <danmcd@omniti.com>
Author: Jan Kryl <jan.kryl@nexenta.com>

illumos/illumos-gate@b7070b7dbcc2758a7f87cefb69ad42887a287152