hg: jdk9/sandbox/hotspot: JEP-223-branch: Sort out JDK_PREVIOUS_VERSION mess (only needed to facilitate standalone builds).

[magnus.ihse.bursie at oracle.com]

Changeset: 5bf1d8ce1b5d
Author:    ihse
Date:      2015-05-21 11:16 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/hotspot/rev/5bf1d8ce1b5d

JEP-223-branch: Sort out JDK_PREVIOUS_VERSION mess (only needed to facilitate standalone builds).

! make/Makefile
! make/defs.make