hg: jdk9/sandbox: 8163102: Fix headless only configuration option

[chris.hegarty at oracle.com]

Changeset: c26f6c23f782
Author:    erikj
Date:      2016-09-26 14:57 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/c26f6c23f782

8163102: Fix headless only configuration option
Reviewed-by: tbell

! common/autoconf/generated-configure.sh
! common/autoconf/jdk-options.m4
! common/autoconf/libraries.m4
! common/autoconf/spec.gmk.in