dblayeroo : do not generate an error on verify if a parameter is not provided

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@4301 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

dblayeroo.php

@@ -2816,7 +2816,7 @@ class dblayeroo
       $i = 0;
       foreach (explode (",", $fields) as $key=>$field)
       {
-        if ($values[$field] !== null)
+        if (key_exists ($field, $values) && $values[$field] !== null)
         {
           $objTmp->whereAdd ($parentField[$key], "=", $values[$field]);
           $i++;