git: openjdk/jdk: master: 8348586: Optionally silence make warnings about non-control variables

[Magnus Ihse Bursie]

Changeset: f1e07974
Branch: master
Author:    Magnus Ihse Bursie <ihse at openjdk.org>
Date:      2025-01-27 13:10:43 +0000
URL:       https://git.openjdk.org/jdk/commit/f1e07974a09e5deaecdfe0d9e18553f1cde15e2d

8348586: Optionally silence make warnings about non-control variables

Reviewed-by: mcimadamore, erikj

! bin/idea.sh
! make/Global.gmk
! make/InitSupport.gmk