Make header include guards great again

runtime/vm/dart_entry.h

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-#ifndef VM_DART_ENTRY_H_
-#define VM_DART_ENTRY_H_
+#ifndef RUNTIME_VM_DART_ENTRY_H_
+#define RUNTIME_VM_DART_ENTRY_H_
 
 #include "vm/allocation.h"
 #include "vm/growable_array.h"
 
 namespace dart {
 
 // Forward declarations.
 class Array;
 class Closure;
 class Function;
@@ skipping 171 matching lines @@
   // map[key] = value;
   //
   // Returns null on success, a RawError on failure.
   static RawObject* MapSetAt(const Instance& map,
                              const Instance& key,
                              const Instance& value);
 };
 
 }  // namespace dart
 
-#endif  // VM_DART_ENTRY_H_
+#endif  // RUNTIME_VM_DART_ENTRY_H_