--- old/src/share/vm/classfile/javaClasses.hpp	2010-11-16 18:09:31.000000000 +0100
+++ new/src/share/vm/classfile/javaClasses.hpp	2010-11-16 18:09:30.000000000 +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 +22,15 @@
  *
  */
 
+#ifndef SHARE_VM_CLASSFILE_JAVACLASSES_HPP
+#define SHARE_VM_CLASSFILE_JAVACLASSES_HPP
+
+#include "classfile/systemDictionary.hpp"
+#include "jvmtifiles/jvmti.h"
+#include "oops/oop.hpp"
+#include "runtime/os.hpp"
+#include "utilities/utf8.hpp"
+
 // Interface for manipulating the basic Java classes.
 //
 // All dependencies on layout of actual Java classes should be kept here.
@@ -1271,3 +1280,5 @@
   static void compute_offsets();
   static void check_offsets() PRODUCT_RETURN;
 };
+
+#endif // SHARE_VM_CLASSFILE_JAVACLASSES_HPP