[PATCH STABLE] zstandard: pull in bug fixes from upstream 0.9.1 release (issue5884)

[Augie Fackler]

On Wed, Jun 06, 2018 at 09:14:41AM -0700, Gregory Szorc wrote:
> # HG changeset patch
> # User Gregory Szorc <gregory.szorc at gmail.com>
> # Date 1528301673 25200
> #      Wed Jun 06 09:14:33 2018 -0700
> # Branch stable
> # Node ID c0081d3e1598e0c82cf5024422dc206db83687de
> # Parent  3277940a935f499e5cb953ca17eebe5543470ca8
> zstandard: pull in bug fixes from upstream 0.9.1 release (issue5884)

queued, thanks