--- old/src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.hpp	2010-11-16 18:10:42.000000000 +0100
+++ new/src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.hpp	2010-11-16 18:10:42.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -22,6 +22,11 @@
  *
  */
 
+#ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_HPP
+#define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_HPP
+
+#include "memory/genOopClosures.hpp"
+
 /////////////////////////////////////////////////////////////////
 // Closures used by ConcurrentMarkSweepGeneration's collector
 /////////////////////////////////////////////////////////////////
@@ -427,3 +432,5 @@
   inline void do_oop_nv(oop* p)       { CMSParKeepAliveClosure::do_oop_work(p); }
   inline void do_oop_nv(narrowOop* p) { CMSParKeepAliveClosure::do_oop_work(p); }
 };
+
+#endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_HPP