Fix: filter on warehouse

Conflicts:
	htdocs/product/stock/mouvement.php

htdocs/product/stock/mouvement.php

@@ -42,7 +42,7 @@ $id=GETPOST('id','int');
 $product_id=GETPOST("product_id");
 $action=GETPOST('action');
 $cancel=GETPOST('cancel');
-$idproduct = isset($_GET["idproduct"])?$_GET["idproduct"]:$_PRODUCT["idproduct"];
+$idproduct = GETPOST('idproduct','int');
 $year = isset($_GET["year"])?$_GET["year"]:$_POST["year"];
 $month = isset($_GET["month"])?$_GET["month"]:$_POST["month"];
 $search_movement = isset($_REQUEST["search_movement"])?$_REQUEST["search_movement"]:'';