Fix subscription handling in stream decoder

sdk/lib/io/file_impl.dart

Index: sdk/lib/io/file_impl.dart
diff --git a/sdk/lib/io/file_impl.dart b/sdk/lib/io/file_impl.dart
index ce60209d129e6eb8f842f077d208d37a25602c29..e157985ab54774912e701dd0f3bbe6f37d7ccec0 100644
--- a/sdk/lib/io/file_impl.dart
+++ b/sdk/lib/io/file_impl.dart
@@ -1,4 +1,4 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// 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.
 
@@ -525,9 +525,9 @@ class _File extends _FileBase implements File {
     var list = [];
     var controller = new StreamController();
     controller.stream
-      .transform(new StringDecoder(encoding))
-      .transform(new LineTransformer())
-      .listen((line) => list.add(line));
+        .transform(new StringDecoder(encoding))
+        .transform(new LineTransformer())
+        .listen((line) => list.add(line));
     controller.add(bytes);
     controller.close();
     return list;