SDK: correct the type of the argument to 'print' to 'Object' for runtime version of core.

tools/create_sdk.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2011, 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.
 #
 # A script which will be invoked from gyp to create an SDK.
 #
 # Usage: create_sdk.py sdk_directory
 #
@@ skipping 332 matching lines @@
   # construct lib/core_runtime.dart from whole cloth.
   dest_file = open(join(corelib_dest_dir, 'core_runtime.dart'), 'w')
   dest_file.write('#library("dart:core");\n')
   dest_file.write('#import("dart:coreimpl");\n')
   for filename in corelib_sources:
     dest_file.write('#source("runtime/' + filename + '");\n')
   for filename in corelib_runtime_sources:
     if filename.endswith('.dart'):
       dest_file.write('#source("runtime/' + filename + '");\n')
   # include the missing print function
-  dest_file.write('void print(String arg) { /* native */ }\n')
+  dest_file.write('void print(Object arg) { /* native */ }\n')
   dest_file.close()
 
   #
   # Create and populate lib/coreimpl.
   #
 
   # First, copy corelib/src/implementation to corelib/{frog, runtime}.
   for filename in coreimpl_sources:
     for target_dir in ['frog', 'runtime']:
       copyfile(join('corelib', 'src', 'implementation', filename),
@@ skipping 31 matching lines @@
 
   # Create and copy tools.
 
   UTIL = join(SDK_tmp, 'util')
   os.makedirs(UTIL)
 
   move(SDK_tmp, SDK)
 
 if __name__ == '__main__':
   sys.exit(Main(sys.argv))