--- old/src/os/windows/vm/globals_windows.hpp	2010-11-16 18:05:44.000000000 +0100
+++ new/src/os/windows/vm/globals_windows.hpp	2010-11-16 18:05:43.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 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 OS_WINDOWS_VM_GLOBALS_WINDOWS_HPP
+#define OS_WINDOWS_VM_GLOBALS_WINDOWS_HPP
+
 //
 // Defines Windows specific flags. They are not available on other platforms.
 //
@@ -40,3 +43,5 @@
 define_pd_global(bool, UseLargePagesIndividualAllocation, true);
 define_pd_global(bool, UseOSErrorReporting, false);  // for now.
 define_pd_global(bool, UseThreadPriorities, true) ;
+
+#endif // OS_WINDOWS_VM_GLOBALS_WINDOWS_HPP