Cosmetic changes to tests to make it easier to concatenate them.

src/fast-dtoa.cc

 // Copyright 2011 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 <stdint.h>
 #include "src/base/logging.h"
 #include "src/utils.h"
 
 #include "src/fast-dtoa.h"
 
@@ skipping 694 matching lines @@
     default:
       UNREACHABLE();
   }
   if (result) {
     *decimal_point = *length + decimal_exponent;
     buffer[*length] = '\0';
   }
   return result;
 }
 
-} }  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8