[windows] TypeError: on_download_finished() takes exactly 2 arguments (3 given)

[Roman Yepishev]

At the moment when syncdaemon finishes downloading the file on windows the following gets printed to the stdout:

Peer will receive following PB traceback:
Traceback (most recent call last):
  File "twisted\spread\banana.pyc", line 153, in gotItem
  File "twisted\spread\banana.pyc", line 116, in callExpressionReceived
  File "twisted\spread\pb.pyc", line 514, in expressionReceived
  File "twisted\spread\pb.pyc", line 826, in proto_message
--- <exception caught here> ---
  File "twisted\spread\pb.pyc", line 840, in _recvMessage
  File "twisted\spread\flavors.pyc", line 114, in remoteMessageReceived
  File "ubuntuone\platform\windows\ipc_client.pyc", line 58, in callback_wrapper

exceptions.TypeError: on_download_finished() takes exactly 2 arguments (3 given)