Fix URL

lib/iputils.php

@@ -25,7 +25,7 @@ function ip4_in_cidr($ip, $cidr) {
  * @param string $ip IP to check in IPV6 format
  * @param string $cidr CIDR netmask
  * @return boolean true if the IP is in this range, false otherwise.
- * @author MW. <https://stackoverflow.com/a/7952169/2534036>
+ * @author MW. <https://stackoverflow.com/a/7952169>
  */
 function ip6_in_cidr($ip, $cidr) {
     $address = inet_pton($ip);