Make header include guards great again

runtime/vm/kernel_reader.h

Index: runtime/vm/kernel_reader.h
diff --git a/runtime/vm/kernel_reader.h b/runtime/vm/kernel_reader.h
index a53d57279c6fb802f102d554597fbcc84fcab587..e6d9e55e949428af5543b4484b36d813d584eaf2 100644
--- a/runtime/vm/kernel_reader.h
+++ b/runtime/vm/kernel_reader.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_KERNEL_READER_H_
-#define VM_KERNEL_READER_H_
+#ifndef RUNTIME_VM_KERNEL_READER_H_
+#define RUNTIME_VM_KERNEL_READER_H_
 
 #include <map>
 
@@ -117,4 +117,4 @@ class KernelReader {
 }  // namespace kernel
 }  // namespace dart
 
-#endif  // VM_KERNEL_READER_H_
+#endif  // RUNTIME_VM_KERNEL_READER_H_