hg: jdk9/sandbox: 8171249: modules_legal from imported modules are not read by the build

[chris.hegarty at oracle.com]

Changeset: 56d1bbe28435
Author:    erikj
Date:      2016-12-16 10:17 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/56d1bbe28435

8171249: modules_legal from imported modules are not read by the build
Reviewed-by: alanb, mchung

! common/autoconf/generated-configure.sh
! common/autoconf/source-dirs.m4