[*] FO : added smarty cache on blockbestsellers

modules/blockbestsellers/upgrade/install-1.2.php

@@ -0,0 +1,9 @@
+<?php
+
+if (!defined('_PS_VERSION_'))
+	exit;
+
+function upgrade_module_1_2($object)
+{
+	return ($object->registerHook('addproduct') && $object->registerHook('updateproduct') && $object->registerHook('deleteproduct') && $object->registerHook('actionOrderStatusPostUpdate'));
+}