--- old/src/share/vm/runtime/objectMonitor.inline.hpp	2010-11-10 13:19:14.000000000 +0100
+++ new/src/share/vm/runtime/objectMonitor.inline.hpp	2010-11-10 13:19:13.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 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 +22,9 @@
  *
  */
 
+#ifndef SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP
+#define SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP
+
 inline intptr_t ObjectMonitor::is_entered(TRAPS) const {
   if (THREAD == _owner || THREAD->is_lock_owned((address) _owner)) {
     return 1;
@@ -104,3 +107,5 @@
   _count = 0;
 }
 
+
+#endif // SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP