message: remove unused variable in client/SimpleTCPConnectionProvider
diff: @@ -92,7 +92,6 @@ oatpp::async::Action SimpleTCPConnectionProvider::getConnectionAsync(oatpp::asyn
  oatpp::String m_host;
  v_int32 m_port;
  oatpp::data::v_io_handle m_clientHandle;
  - struct sockaddr_in m_client;
  private:
  struct addrinfo* m_result;
  struct addrinfo* m_currentResult;
  