Move spaces from before comments to within comments

tests/lib/async/run_zoned6_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // 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.
 
 import "package:expect/expect.dart";
 import 'dart:async';
 import 'package:async_helper/async_helper.dart';
 
 main() {
   asyncStart();
   // Ensure that `runZoned`'s onError handles synchronous errors but delegates
   // to the top-level when the handler returns false.
   try {
     runZoned(() { throw 0; },
              onError: (e) {
                Expect.equals(0, e);
                if (false) /// 01: runtime error

[sra1, 2017/03/21 03:01:09]

fix

                  asyncEnd();
-               throw e;  /// 01: runtime error
+               throw e; // /// 01: runtime error
              });
   } catch (e) {
     // We should never see an error here.
-    if (false)  /// 01: continued
+    if (false) // /// 01: continued
       rethrow;
   }
 }