Make header include guards great again

runtime/bin/crypto.h

Index: runtime/bin/crypto.h
diff --git a/runtime/bin/crypto.h b/runtime/bin/crypto.h
index b82fc4feb403e0dbe82bf98371cf11295c301a8d..ccfb8fb6cd166dda66225727067b60fe905fcb8f 100644
--- a/runtime/bin/crypto.h
+++ b/runtime/bin/crypto.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_CRYPTO_H_
-#define BIN_CRYPTO_H_
+#ifndef RUNTIME_BIN_CRYPTO_H_
+#define RUNTIME_BIN_CRYPTO_H_
 
 #include "bin/builtin.h"
 #include "bin/utils.h"
@@ -23,5 +23,5 @@ class Crypto {
 }  // namespace bin
 }  // namespace dart
 
-#endif  // BIN_CRYPTO_H_
+#endif  // RUNTIME_BIN_CRYPTO_H_