void
    silc_client_private_message_wait_uninit(SilcClient client,
                                            SilcClientConnection conn,
                                            SilcClientEntry client_entry);

    Unintializes private message waiting for client indicated by
    `client_entry'.  After this call private message cannot be waited
    anymore and silc_client_private_message_wait will return with FALSE
    value.