$NetBSD: patch-ah,v 1.6 2013/10/27 21:21:26 dholland Exp $

--- src/celutil/util.h.orig	2011-06-05 16:11:15.000000000 +0000
+++ src/celutil/util.h
@@ -12,6 +12,7 @@
 #ifndef _CELUTIL_UTIL_H_
 #define _CELUTIL_UTIL_H_
 
+#include <algorithm>
 #include <string>
 #include <vector>
 #include <iostream>