Make header include guards great again

runtime/bin/process.h

Index: runtime/bin/process.h
diff --git a/runtime/bin/process.h b/runtime/bin/process.h
index 359c8c1d6eb3cd0fd7528514b1c74ed275679c4e..2886e71d7c84f5308b4742de80037eacf04c2eee 100644
--- a/runtime/bin/process.h
+++ b/runtime/bin/process.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_PROCESS_H_
-#define BIN_PROCESS_H_
+#ifndef RUNTIME_BIN_PROCESS_H_
+#define RUNTIME_BIN_PROCESS_H_
 
 #include "bin/builtin.h"
 #include "bin/io_buffer.h"
@@ -294,4 +294,4 @@ class BufferListBase {
 }  // namespace bin
 }  // namespace dart
 
-#endif  // BIN_PROCESS_H_
+#endif  // RUNTIME_BIN_PROCESS_H_