hg: jdk9/sandbox: 2 new changesets

[magnus.ihse.bursie at oracle.com]

Changeset: 4d6b53ca5628
Author:    ihse
Date:      2015-03-25 12:30 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/4d6b53ca5628

Add comment.

! configure

Changeset: 0cc64a5d0242
Author:    ihse
Date:      2015-03-26 16:03 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/0cc64a5d0242

Fixes after code review.

! common/autoconf/spec.gmk.in
! make/Init.gmk
! make/InitSupport.gmk