$NetBSD: patch-ad,v 1.3 2011/11/23 22:37:44 marino Exp $

--- src/tigr/show-diff.cc.orig	2007-07-13 17:06:59.000000000 +0000
+++ src/tigr/show-diff.cc
@@ -14,6 +14,7 @@
 #include <cstdlib>
 #include <cassert>
 #include <climits>
+#include <algorithm>
 using namespace std;