[PATCH] check-code: allow tabs in heredoc

[Augie Fackler]

> On Dec 8, 2017, at 10:58, Yuya Nishihara <yuya at tcha.org> wrote:
> 
> # HG changeset patch
> # User Yuya Nishihara <yuya at tcha.org>
> # Date 1512747555 -32400
> #      Sat Dec 09 00:39:15 2017 +0900
> # Node ID ef030121dac2ff448db7d9bf667419b6249717c6
> # Parent  dd85117b9bcace7416d51e7d59b492d00b4e44c7
> check-code: allow tabs in heredoc

queued, thanks