ipaddr: fix a typo in error msg about SIOCGIFTXQLEN

The optname was wrong.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>

ip/ipaddress.c

@@ -163,7 +163,7 @@ static void print_queuelen(FILE *f, struct rtattr *tb[IFLA_MAX + 1])
 		memset(&ifr, 0, sizeof(ifr));
 		strcpy(ifr.ifr_name, rta_getattr_str(tb[IFLA_IFNAME]));
 		if (ioctl(s, SIOCGIFTXQLEN, &ifr) < 0) {
-			fprintf(f, "ioctl(SIOCGIFXQLEN) failed: %s\n", strerror(errno));
+			fprintf(f, "ioctl(SIOCGIFTXQLEN) failed: %s\n", strerror(errno));
 			close(s);
 			return;
 		}