$NetBSD$

--- base/include/queue.h.orig	2003-09-16 17:34:53.000000000 +0000
+++ base/include/queue.h
@@ -26,6 +26,7 @@ ________________________________________
 
 #include "config.h"
 #include "mutex.h"
+#include <assert.h>
 
 template<class T>
 class Queue {
