trailer.hon commit pickaxe: fix segfault with '-S<...> --pickaxe-regex' (f53c5de)
   1#ifndef TRAILER_H
   2#define TRAILER_H
   3
   4void process_trailers(const char *file, int in_place, int trim_empty,
   5                      struct string_list *trailers);
   6
   7#endif /* TRAILER_H */