Fix static warnings introduced by library cleanup.

sdk/lib/io/secure_server_socket.dart

 // Copyright (c) 2012, 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.
 
 part of dart.io;
 
 /**
  * The [SecureServerSocket] is a server socket, providing a stream of high-level
  * [Socket]s.
  *
@@ skipping 235 matching lines @@
       } else {
         _controller.add(secureConnection);
       }
     }).catchError((e) {
       if (!_closed) {
         _controller.addError(e);
       }
     });
   }
 
-  void _onError(e, [StackTrace stackTrace]) =>
-      _controller.addError(e, stackTrace);
+  void _onError(e, [StackTrace stackTrace]) {
+    _controller.addError(e, stackTrace);
+  }
 
-  void _onDone() => _controller.close();
+  void _onDone() {
+    _controller.close();
+  }
 
   void _onPauseStateChange() {
     if (_controller.isPaused) {
       _subscription.pause();
     } else {
       _subscription.resume();
     }
   }
 
   void _onSubscriptionStateChange() {
     if (_controller.hasListener) {
       _subscription = _socket.listen(_onData,
                                      onDone: _onDone,
                                      onError: _onError);
     } else {
       close();
     }
   }
 }