message: [WebsocketPP] Update for OpenSSL 1.1.0
  Taking cues from
diff: @@ -355,13 +355,9 @@ protected:
  template <typename ErrorCodeType>
  lib::error_code translate_ec(ErrorCodeType ec) {
  if (ec.category() == lib::asio::error::get_ssl_category()) {
  - if (ERR_GET_REASON(ec.value()) == SSL_R_SHORT_READ) {
  - return make_error_code(transport::error::tls_short_read);
  - } else {
  // We know it is a TLS related error, but otherwise don't know
  // more. Pass through as TLS generic.
  return make_error_code(transport::error::tls_error);
  - }
  } else {
  // We don't know any more information about this error so pass
  // through
  