git: openjdk/guide: Fix jcheck whitespace checks so they make sense for the Guide

[Jesper Wilhelmsson]

Changeset: 2bf3d0f7
Author:    Magnus Ihse Bursie <ihse at openjdk.org>
Committer: Jesper Wilhelmsson <jwilhelm at openjdk.org>
Date:      2021-03-16 16:00:21 +0000
URL:       https://git.openjdk.java.net/guide/commit/2bf3d0f7

Fix jcheck whitespace checks so they make sense for the Guide

Reviewed-by: jwilhelm

! .jcheck/conf