[PATCH 2 of 2] dispatch: fix typo suggestion for disabled extension

[Yuya Nishihara]

On Fri, 07 Jul 2017 00:26:16 -0700, Martin von Zweigbergk via Mercurial-devel wrote:
> # HG changeset patch
> # User Martin von Zweigbergk <martinvonz at google.com>
> # Date 1499411633 25200
> #      Fri Jul 07 00:13:53 2017 -0700
> # Node ID f968eaa9c1e45e19a90423d875d1538ebb30d884
> # Parent  46c6014cd9765a04b61fe03b907f9eceaabba0dd
> dispatch: fix typo suggestion for disabled extension

Queued, thanks.