$OpenBSD: patch-src_aomodule_h,v 1.1 2010/06/08 19:56:36 pea Exp $
--- src/aomodule.h.orig	Sat May 15 17:31:01 2010
+++ src/aomodule.h	Sat May 15 17:31:28 2010
@@ -9,6 +9,7 @@
 typedef struct {
   PyObject_HEAD
   ao_device *dev;
+  uint32_t driver_id;
 } ao_Object;
 
 static PyObject *Py_aoError;