$NetBSD: patch-nrange_h,v 1.1 2012/05/09 06:27:05 dholland Exp $

Add missing header file, affects gcc 4.5+.

--- nrange.h~	2004-05-29 23:00:08.000000000 +0000
+++ nrange.h
@@ -23,6 +23,7 @@
 #include "config.h"
 #endif
 #include <sys/types.h>
+#include <climits>
 #include <map>
 #include <stdexcept>