hg: build-infra/jdk9/hotspot: Fixed ugly hack for vm_version

[magnus.ihse.bursie at oracle.com]

Changeset: 77ee12dbd9aa
Author:    ihse
Date:      2015-01-26 16:12 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk9/hotspot/rev/77ee12dbd9aa

Fixed ugly hack for vm_version
Contributed-by: ingemar.aberg at oracle.com

! makefiles/CompileJvm.gmk