Regularize namespace closing curlies

src/runtime/runtime-date.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/arguments.h"
 #include "src/date.h"
 #include "src/dateparser-inl.h"
 #include "src/messages.h"
@@ skipping 168 matching lines @@
   CONVERT_SMI_ARG_CHECKED(index, 1);
   if (!obj->IsJSDate()) {
     HandleScope scope(isolate);
     THROW_NEW_ERROR_RETURN_FAILURE(
         isolate, NewTypeError(MessageTemplate::kNotDateObject));
   }
   JSDate* date = JSDate::cast(obj);
   if (index == 0) return date->value();
   return JSDate::GetField(date, Smi::FromInt(index));
 }
-}
-}  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8