naviframe: Fix to add SIG_ITEM_ACTIVATED in smart callbacks.

This commit fixes commit 3a0eb75bda.

src/lib/elementary/elc_naviframe.c

@@ -40,6 +40,7 @@ static const Evas_Smart_Cb_Description _smart_callbacks[] = {
    {SIG_WIDGET_ACCESS_CHANGED, ""}, /**< handled by elm_widget */
    {SIG_LAYOUT_FOCUSED, ""}, /**< handled by elm_layout */
    {SIG_LAYOUT_UNFOCUSED, ""}, /**< handled by elm_layout */
+   {SIG_ITEM_ACTIVATED, ""},
    {NULL, NULL}
 };