message: Fixed preconfigured shib login url
diff: @@ -412,7 +412,7 @@ void LoginDialog::loginWithShib()
  }
  }
  - QUrl url;
  + QUrl url = server_addr;
  if (server_addr.isEmpty()) {
  // When we reach here, there is no preconfigured shibboleth login url,
  // or the preconfigured url is invalid. So we ask the user for the url.
  