* Fix potential import error for vehicle_accessory table

* Thanks Riccardo

--HG--
branch : trunk

sql/updates/7547_world_vehicle_accessory.sql

@@ -1,4 +1,4 @@
-DROP TABLE `vehicle_accessory`;
+DROP TABLE IF EXISTS `vehicle_accessory`;
 CREATE TABLE `vehicle_accessory` (
         `entry` MEDIUMINT(8) UNSIGNED NOT NULL DEFAULT 0,
         `accessory_entry` MEDIUMINT(8) UNSIGNED NOT NULL DEFAULT 0,