[-] BO : #PSFV-503 - Fix bug with image generation

git-svn-id: http://dev.prestashop.com/svn/v1/branches/1.5.x@13368 b9a71923-0436-4b27-9f14-aed3839534dd

classes/order/Order.php

@@ -613,7 +613,7 @@ class OrderCore extends ObjectModel
 				FROM '._DB_PREFIX_.'product_attribute_image
 				WHERE id_product_attribute = '.(int)$product['product_attribute_id']);
 
-		if (!isset($image['id_image']) || !$image['id_image'])
+		if (!isset($id_image) || !$id_image)
 			$id_image = Db::getInstance()->getValue('
 				SELECT id_image
 				FROM '._DB_PREFIX_.'image