message: Clear the autocomplete list when getting a new one (linux)
  Fixes a memory leak in autocomplete
diff: @@ -13,6 +13,8 @@ void AutocompleteListModel::setList(QVector<AutocompleteView *> autocompletelist
  if (list == autocompletelist)
  return;
  beginResetModel();
  + for (auto i : list)
  + i->deleteLater();
  list = autocompletelist;
  endResetModel();
  }
  