Change getters syntax in dart:io library.

runtime/bin/stdio.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.
 
 final int _STDIO_HANDLE_TYPE_TERMINAL = 0;
 final int _STDIO_HANDLE_TYPE_PIPE = 1;
 final int _STDIO_HANDLE_TYPE_FILE = 2;
 final int _STDIO_HANDLE_TYPE_SOCKET = 3;
 final int _STDIO_HANDLE_TYPE_OTHER = -1;
 
@@ skipping 29 matching lines @@
       _getStdioHandle(s, fd);
       return s.outputStream;
     case _STDIO_HANDLE_TYPE_FILE:
       return new _FileOutputStream.fromStdio(fd);
     default:
       throw new FileIOException("Unsupported stdin type");
   }
 }
 
 
-InputStream get stdin() {
+InputStream get stdin {
   if (_stdin == null) {
     _stdin = _getStdioInputStream();
   }
   return _stdin;
 }
 
 
-OutputStream get stdout() {
+OutputStream get stdout {
   if (_stdout == null) {
     _stdout = _getStdioOutputStream(1);
   }
   return _stdout;
 }
 
 
-OutputStream get stderr() {
+OutputStream get stderr {
   if (_stderr == null) {
     _stderr = _getStdioOutputStream(2);
   }
   return _stderr;
 }
 
 _getStdioHandle(Socket socket, int num) native "Socket_GetStdioHandle";
 _getStdioHandleType(int num) native "File_GetStdioHandleType";