hg: jdk/sandbox: Fix non-PCH build

[ashipile at redhat.com]

Changeset: 4b9449c330fb
Author:    shade
Date:      2018-03-26 17:27 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/4b9449c330fb

Fix non-PCH build

! src/hotspot/share/gc/epsilon/epsilonHeap.cpp
! src/hotspot/share/gc/epsilon/epsilonHeap.hpp
! src/hotspot/share/gc/epsilon/epsilonMonitoringSupport.cpp
! src/hotspot/share/runtime/commandLineFlagConstraintList.cpp