hg: shenandoah/jdk8u/hotspot: Fixed Shenandoah 8u build

[zgu at redhat.com]

Changeset: 84f19550a9d5
Author:    zgu
Date:      2018-05-16 14:30 -0400
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/84f19550a9d5

Fixed Shenandoah 8u build

! make/windows/create_obj_files.sh
! make/windows/makefiles/vm.make
! src/share/vm/gc_implementation/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc_implementation/shenandoah/shenandoahHeapRegion.inline.hpp