--- a/hotspot/src/share/vm/gc_implementation/g1/heapRegionSeq.hpp	Tue Nov 23 15:01:43 2010 -0500
+++ b/hotspot/src/share/vm/gc_implementation/g1/heapRegionSeq.hpp	Tue Nov 23 13:22:55 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 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 +22,12 @@
  *
  */
 
+#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_HPP
+#define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_HPP
+
+#include "gc_implementation/g1/heapRegion.hpp"
+#include "utilities/growableArray.hpp"
+
 class HeapRegion;
 class HeapRegionClosure;
 
@@ -108,3 +114,5 @@
   void print_empty_runs();
 
 };
+
+#endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_HPP