(svn r1783) -Add: Dynamic vehicles (now up to 64k of vehicles)

ttd.c

@@ -496,7 +496,6 @@ static void InitializeDynamicVariables(void)
 {
 	/* Dynamic stuff needs to be initialized somewhere... */
 	_roadstops_size = lengthof(_roadstops);
-	_vehicles_size  = lengthof(_vehicles);
 	_sign_size      = lengthof(_sign_list);
 	_orders_size    = lengthof(_orders);
 
@@ -512,6 +511,7 @@ static void UnInitializeDynamicVariables(void)
 	CleanPool(&_town_pool);
 	CleanPool(&_industry_pool);
 	CleanPool(&_station_pool);
+	CleanPool(&_vehicle_pool);
 
 	free(_station_sort);
 	free(_vehicle_sort);