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