hg: shenandoah/jdk9/hotspot: Heap alignment should agree with ShenandoahMaxRegionSize.

[ashipile at redhat.com]

Changeset: 56ab58d5aa55
Author:    shade
Date:      2017-03-03 17:23 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/56ab58d5aa55

Heap alignment should agree with ShenandoahMaxRegionSize.

! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegion.cpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegion.hpp