git: openjdk/jdk17u-dev: 8306408: Fix the format of several tables in building.md

[Andrew John Hughes]

Changeset: ef598eb5
Author:    Zdenek Zambersky <zzambers at openjdk.org>
Committer: Andrew John Hughes <andrew at openjdk.org>
Date:      2024-02-21 00:24:57 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/ef598eb529cc4526236ca0516f0119f587694973

8306408: Fix the format of several tables in building.md

Reviewed-by: andrew
Backport-of: 26755a968665545a151adce79a5227c79724bb6b

! doc/building.html
! doc/building.md