hg: shenandoah/jdk9/hotspot: ShenandoahHeap::_cancelled_gc should be consistently treated as jbyte.

[ashipile at redhat.com]

Changeset: 82450573a934
Author:    shade
Date:      2017-03-21 17:24 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/82450573a934

ShenandoahHeap::_cancelled_gc should be consistently treated as jbyte.

! src/share/vm/gc/shenandoah/shenandoahConcurrentThread.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.hpp
! src/share/vm/gc/shenandoah/shenandoahHeap.inline.hpp