use user nick render

includes/model/User_model.php

@@ -243,7 +243,7 @@ function User_generate_password_recovery_token(&$user) {
   $result = sql_query("UPDATE `User` SET `password_recovery_token`='" . sql_escape($user['password_recovery_token']) . "' WHERE `UID`='" . sql_escape($user['UID']) . "' LIMIT 1");
   if ($result === false)
     return false;
-  engelsystem_log("Password recovery for " . $user['Nick'] . " started.");
+  engelsystem_log("Password recovery for " . User_Nick_render($user) . " started.");
   return $user['password_recovery_token'];
 }
 

includes/sys_log.php

@@ -11,7 +11,7 @@ function engelsystem_log($message) {
   global $user;
   
   if (isset($user)) {
-    $nick = $user['Nick'];
+    $nick = User_Nick_render($user);
   } else {
     $nick = "Guest";
   }