hg: jdk9/sandbox: JEP-223-branch: Adjust configure argument to new situation with empty number equals zero.

[magnus.ihse.bursie at oracle.com]

Changeset: 6f398277bbf6
Author:    ihse
Date:      2015-05-28 10:42 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/6f398277bbf6

JEP-223-branch: Adjust configure argument to new situation with empty number equals zero.

! common/autoconf/generated-configure.sh
! common/autoconf/jdk-version.m4