don't pass argc in getopt32, it's superfluous

(add/remove: 0/0 grow/shrink: 12/131 up/down: 91/-727) Total: -636 bytes
   text    data     bss     dec     hex filename
 773469    1058   11092  785619   bfcd3 busybox_old
 772644    1058   11092  784794   bf99a busybox_unstripped

diff --git a/networking/telnetd.c b/networking/telnetd.c
index 9246f70..b219912 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -386,7 +386,7 @@
 		OPT_INETD = 0x20 * ENABLE_FEATURE_TELNETD_STANDALONE,
 	};
 
-	opt = getopt32(argc, argv, "f:l:" USE_FEATURE_TELNETD_STANDALONE("p:b:Fi"),
+	opt = getopt32(argv, "f:l:" USE_FEATURE_TELNETD_STANDALONE("p:b:Fi"),
 			&issuefile, &loginpath
 			USE_FEATURE_TELNETD_STANDALONE(, &opt_portnbr, &opt_bindaddr));
 	/* Redirect log to syslog early, if needed */