Avoid deprecation warnings with GCC 12 in Leksys/iniparser.hpp

    // Trim string from start

    static inline std::string &ltrim(std::string &s) {

        s.erase(s.begin(), std::find_if(s.begin(), s.end(), std::not1(std::ptr_fun<int, int>(__in_isspace))));

        s.erase(s.begin(), std::find_if(s.begin(), s.end(), [] (int ch) { return ! __in_isspace(ch); }));

        return s;

    }

    // Trim string from end

    static inline std::string &rtrim(std::string &s) {

        s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(__in_isspace))).base(), s.end());

        s.erase(std::find_if(s.rbegin(), s.rend(), [] (int ch) { return ! __in_isspace(ch); }).base(), s.end());

        return s;

    }