varint.hon commit t/t3101-ls-tree-dirname.sh: use the $( ... ) construct for command substitution (8db3294)
   1#ifndef VARINT_H
   2#define VARINT_H
   3
   4extern int encode_varint(uintmax_t, unsigned char *);
   5extern uintmax_t decode_varint(const unsigned char **);
   6
   7#endif /* VARINT_H */