[7u12] Request for approval for CR 7196361 - add hotspot/make/closed to hgforest.sh

[John Coomes]

Bug link:

        http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7196361

jdk8 changeset:

        http://hg.openjdk.java.net/jdk8/jdk8/rev/b85b44cced24

The patch in 7u is identical to jdk8.

-John