cleanup debug prints

    assert(ret.second);

    auto open_dir = ret.second;

    if(open_dir->size() != 2) {

        std::cout << "hier kommt der schuh in die tonne" << std::endl;

        size_t pos = 0;

        while(pos < open_dir->size()) {

            auto de = open_dir->getdent(pos);

            std::cout << de.name() << std::endl;

            pos++;

        }

        std::cout << "booom" << std::endl;

        errno = ENOTEMPTY;

        return -1;

    }