message: reset socket for handshake error
diff: @@ -609,7 +609,8 @@ void wamp_session::handle_exception()
  catch ( handshake_error& e )
  {
  LOG_WARN("handhake error: " << e.what());
  - this->close();
  + m_socket->reset();
  + drop_connection(e.what());
  }
  catch ( auth_error& e )
  {
  