fix: user field gets Multihunter only when really no ID or name given

GameEngine/Admin/database.php

@@ -79,7 +79,6 @@ class adm_DB {
 	        }
 	        
 	        mysqli_query($this->connection,"Insert into ".TB_PREFIX."admin_log values (0,'X','$username logged in (IP: <b>".$_SERVER['REMOTE_ADDR']."</b>)',".time().")");
-	        
 	        return true;
 	    }
 	    else {

GameEngine/Database.php

@@ -214,7 +214,7 @@ class MYSQLi_DB {
         list($ref, $field, $mode) = $this->escape_input($ref, $field, $mode);
         
         // update for Multihunter's username and ID
-        if ($ref == '' || $ref == 0) {
+        if (($mode && $ref == '') || (!$mode && $ref == 0)) {
             $ref = 'Multihunter';
             $mode = 1;
         }