hg: shenandoah/jdk: Fix (non-PCH) build after "Bitmap based ShHeapRegionSet"

[ashipile at redhat.com]

Changeset: 924612663344
Author:    shade
Date:      2018-04-16 17:08 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/924612663344

Fix (non-PCH) build after "Bitmap based ShHeapRegionSet"

! src/hotspot/share/gc/shenandoah/shenandoahHeapRegionSet.hpp
! src/hotspot/share/gc/shenandoah/shenandoahHeapRegionSet.inline.hpp