$OpenBSD: patch-src_object_physics_cpp,v 1.1.1.1 2007/05/22 18:31:33 msf Exp $
--- src/object/physics.cpp.orig	Tue Apr 10 15:25:46 2007
+++ src/object/physics.cpp	Tue Apr 10 15:26:18 2007
@@ -33,6 +33,7 @@
 #include "../tool/debug.h"
 #include "../tool/math_tools.h"
 #include "../map/wind.h"
+#include "../include/openbsd.h"
 
 // Physical constants
 const double STOP_REBOUND_LIMIT = 0.5 ;
