compat / terminal.hon commit t/t3210-pack-refs.sh: use the $( ... ) construct for command substitution (13f11b9)
   1#ifndef COMPAT_TERMINAL_H
   2#define COMPAT_TERMINAL_H
   3
   4char *git_terminal_prompt(const char *prompt, int echo);
   5
   6#endif /* COMPAT_TERMINAL_H */