Make header include guards great again

runtime/vm/resolver.h

Index: runtime/vm/resolver.h
diff --git a/runtime/vm/resolver.h b/runtime/vm/resolver.h
index 9a52ad387d55710a6aa9f3b39e3b0ba57affc710..620bb52477d6e15ea2ffaef36527be640c974575 100644
--- a/runtime/vm/resolver.h
+++ b/runtime/vm/resolver.h
@@ -2,8 +2,8 @@
 // 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_RESOLVER_H_
-#define VM_RESOLVER_H_
+#ifndef RUNTIME_VM_RESOLVER_H_
+#define RUNTIME_VM_RESOLVER_H_
 
 #include "vm/allocation.h"
 
@@ -71,4 +71,4 @@ class Resolver : public AllStatic {
 
 }  // namespace dart
 
-#endif  // VM_RESOLVER_H_
+#endif  // RUNTIME_VM_RESOLVER_H_