--- old/src/share/vm/oops/instanceKlassKlass.hpp	2010-11-16 18:15:46.000000000 +0100
+++ new/src/share/vm/oops/instanceKlassKlass.hpp	2010-11-16 18:15:46.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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_OOPS_INSTANCEKLASSKLASS_HPP
+#define SHARE_VM_OOPS_INSTANCEKLASSKLASS_HPP
+
+#include "oops/klassKlass.hpp"
+
 // An instanceKlassKlass is the klass of an instanceKlass
 
 class instanceKlassKlass : public klassKlass {
@@ -83,3 +88,5 @@
   bool oop_partially_loaded(oop obj) const;
   void oop_set_partially_loaded(oop obj);
 };
+
+#endif // SHARE_VM_OOPS_INSTANCEKLASSKLASS_HPP