🚀 go-pugleaf

In time 1.4, time.c declares execvp() incorrectly. POSIX says the type
of the second argument is `char *const *' not `const char **'.

*** time.c~	Mon Jan 11 22:45:35 1993
--- time.c	Mon Jan 11 22:51:08 1993
***************
*** 81,87 ****
  #endif
  
  #ifndef _POSIX_VERSION
! int execvp P_((const char *, const char **));
  int fork P_((void));
  void _exit P_((int));
  #endif /* !_POSIX_VERSION */
--- 81,87 ----
  #endif
  
  #ifndef _POSIX_VERSION
! int execvp P_((const char *, char *const *));
  int fork P_((void));
  void _exit P_((int));
  #endif /* !_POSIX_VERSION */
***************
*** 637,643 ****
      error (1, errno, "cannot fork");
    else if (pid == 0)
      {				/* If child. */
!       execvp (cmd[0], (const char **) cmd);
        error (0, errno, "cannot run %s", cmd[0]);
        _exit (errno == ENOENT ? 127 : 126);
      }
--- 637,643 ----
      error (1, errno, "cannot fork");
    else if (pid == 0)
      {				/* If child. */
!       execvp (cmd[0], (char *const *) cmd);
        error (0, errno, "cannot run %s", cmd[0]);
        _exit (errno == ENOENT ? 127 : 126);
      }