[fix] PROPORTION_OF_EXIST_PATH spelling mistake
[fix] PROPORTION_OF_EXIST_PATH spelling mistake

duniter/duniter-currency-monit,duniter/duniter-currency-monit,duniter/duniter-currency-monit,duniter/duniter-currency-monit,librelois/duniter-currency-monit,librelois/duniter-currency-monit,librelois/duniter-special-node-members