hg: jdk9/sandbox: JEP-223-branch: Update VERSION_SPECIFICATION to be VERSION_NUMBER, according to latest proposed amendments of the spec.

[magnus.ihse.bursie at oracle.com]

Changeset: e916a01d05a9
Author:    ihse
Date:      2015-06-04 14:44 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/e916a01d05a9

JEP-223-branch: Update VERSION_SPECIFICATION to be VERSION_NUMBER, according to latest proposed amendments of the spec.

! common/autoconf/spec.gmk.in