$NetBSD: patch-ad,v 1.1.1.1 2008/11/17 14:04:31 yhardy Exp $

--- src/libs/learning/policy.h.orig	2008-03-15 01:15:03.000000000 +0200
+++ src/libs/learning/policy.h	2008-03-15 01:15:20.000000000 +0200
@@ -17,6 +17,9 @@
 #include <cmath>
 #include <cstdlib>
 #include <cstdio>
+
+using namespace std;
+
 #include <learning/ANN.h>
 #include <learning/Distribution.h>