Make header include guards great again

runtime/bin/utils_win.h

Index: runtime/bin/utils_win.h
diff --git a/runtime/bin/utils_win.h b/runtime/bin/utils_win.h
index 3e7fa4c982e4e535b8047149ffe0a093a8189ebb..2f63faf129759f4296b255a7a1dc1d9fdeddef76 100644
--- a/runtime/bin/utils_win.h
+++ b/runtime/bin/utils_win.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 BIN_UTILS_WIN_H_
-#define BIN_UTILS_WIN_H_
+#ifndef RUNTIME_BIN_UTILS_WIN_H_
+#define RUNTIME_BIN_UTILS_WIN_H_
 
 #include "platform/globals.h"
 
@@ -95,4 +95,4 @@ class Utf8ToWideScope {
 }  // namespace bin
 }  // namespace dart
 
-#endif  // BIN_UTILS_WIN_H_
+#endif  // RUNTIME_BIN_UTILS_WIN_H_