hg: shenandoah/jdk10/hotspot: Fix build without precompiled headers.

[roman at kennke.org]

Changeset: 4b42c6664e27
Author:    rkennke
Date:      2017-07-27 11:55 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk10/hotspot/rev/4b42c6664e27

Fix build without precompiled headers.

! src/share/vm/gc/shenandoah/shenandoahCollectionSet.hpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegion.cpp
! src/share/vm/gc/shenandoah/shenandoahRootProcessor.cpp