git: openjdk/jdk: master: 8354278: Revert use of non-POSIX echo -n introduced in JDK-8301197

[Magnus Ihse Bursie]

Changeset: 57297e60
Branch: master
Author:    Magnus Ihse Bursie <ihse at openjdk.org>
Date:      2025-05-08 13:33:57 +0000
URL:       https://git.openjdk.org/jdk/commit/57297e60de92b9878fb3926109da3e0058a506ae

8354278: Revert use of non-POSIX echo -n introduced in JDK-8301197

Reviewed-by: iris

! make/Docs.gmk
! make/MainSupport.gmk
! make/autoconf/help.m4
! make/common/FindTests.gmk
! make/common/Modules.gmk