levenshtein.hon commit remote: fix use-after-free error detected by glibc in ref_remove_duplicates (95c96d4)
   1#ifndef LEVENSHTEIN_H
   2#define LEVENSHTEIN_H
   3
   4int levenshtein(const char *string1, const char *string2,
   5        int swap_penalty, int substition_penalty,
   6        int insertion_penalty, int deletion_penalty);
   7
   8#endif