diff -r b613cc1c2226 -r 123072ba6ced order.h
--- a/order.h	Sun Jan 16 14:10:13 2005 +0000
+++ b/order.h	Sun Jan 16 14:42:53 2005 +0000
@@ -74,7 +74,7 @@
 
 static inline bool HasOrderPoolFree(uint amount)
 {
-	Order *order;
+	const Order *order;
 
 	FOR_ALL_ORDERS(order)
 		if (order->type == OT_NOTHING)