$NetBSD: patch-ae,v 1.2 2005/04/13 16:45:46 rillig Exp $

--- charset/localenc.c.orig	Tue Apr  5 21:37:48 2005
+++ charset/localenc.c	Tue Apr 12 10:29:00 2005
@@ -101,7 +101,7 @@ int charset_from_localenc(const char *na
 	p = name;
 	q = localencs[i].name;
 	while (*p || *q) {
-	    if (tolower(*p) != tolower(*q))
+	    if (tolower((unsigned char)*p) != tolower((unsigned char)*q))
 		break;
 	    p++; q++;
 	}