hg: jdk9/dev: 8168302: --disable-warnings-as-errors doesn't work for the hotspot build on Solaris

[tim.bell at oracle.com]

Changeset: 2b3e5caafe35
Author:    simonis
Date:      2016-10-21 20:55 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/rev/2b3e5caafe35

8168302: --disable-warnings-as-errors doesn't work for the hotspot build on Solaris
Reviewed-by: tbell

! common/autoconf/flags.m4
! common/autoconf/generated-configure.sh