Composite product compatible

Ensure compatibility with Composite Products.

if(!function_exists('woo_discount_rules_exclude_cart_item_from_discount_method')){
   function woo_discount_rules_exclude_cart_item_from_discount_method($status, $cart_item){
	 if(isset($cart_item['composite_item']) && !empty($cart_item['composite_item'])){
	   $status = true;
	 }
	 return $status;
   }
}

add_filter('woo_discount_rules_exclude_cart_item_from_discount', 'woo_discount_rules_exclude_cart_item_from_discount_method', 10, 2);