hg: jdk9/sandbox/hotspot: Compile (but not link) all hotspot files on OpenBSD.

[magnus.ihse.bursie at oracle.com]

Changeset: c3fbd9433144
Author:    ihse
Date:      2015-12-19 23:24 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/hotspot/rev/c3fbd9433144

Compile (but not link) all hotspot files on OpenBSD.

! make/bsd/makefiles/gcc.make
! src/cpu/x86/vm/sharedRuntime_x86_64.cpp
! src/os/bsd/vm/os_bsd.cpp
! src/os/posix/vm/os_posix.cpp