hg: jdk9/sandbox/hotspot: Fixes to make hotspot compile on freebsd.

[magnus.ihse.bursie at oracle.com]

Changeset: 49d0b7862bc1
Author:    ihse
Date:      2015-12-19 14:03 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/hotspot/rev/49d0b7862bc1

Fixes to make hotspot compile on freebsd.

! make/bsd/makefiles/vm.make
! make/lib/Lib-jdk.hotspot.agent.gmk