pg_walsummary, Character-not-present-in-option

Hi hackers,
I found probably something to fix in pg_walsummary.

pg_walsummary specifies “f:iqw:” as the third argument of getopt_long().

> /* process command-line options */
> while ((c = getopt_long(argc, argv, "f:iqw:",
>                 long_options, &optindex)) != -1)

However, only i and q are valid options.

>     switch (c)
>     {
>         case 'i':
>             break;
>         case 'q':
>             opt.quiet = true;
>             break;
>         default:
>             /* getopt_long already emitted a complaint */
>             pg_log_error_hint("Try \"%s --help\" for more information.", 
> progname);
>             exit(1);
>     }

Therefore, shouldn't “f:” and “w:” be removed?

Best regards,
Yusuke Sugie