[PATCH hglib v2] client: ignore close() on non-open clients (issue5751)

[Yuya Nishihara]

On Wed, 14 Feb 2018 15:11:33 +0100, Gábor Stefanik wrote:
> # HG changeset patch
> # User Gábor Stefanik <gabor.stefanik at nng.com>
> # Date 1518443649 -3600
> #      Mon Feb 12 14:54:09 2018 +0100
> # Node ID b5d05859a5d7956024b169dd7fe53a6ea45a4d67
> # Parent  1085c904d8c04d51c6897027fe9c7bae0964b64b
> client: ignore close() on non-open clients (issue5751)

Looks good to me, thanks.