$NetBSD: patch-ae,v 1.1 2008/04/03 08:42:25 joerg Exp $

--- src/actioncompiler/compile.c.orig	2008-04-03 10:33:17.000000000 +0200
+++ src/actioncompiler/compile.c
@@ -536,7 +536,7 @@ void lower(char *s)
 {
 	while(*s)
 	{
-		*s = tolower(*s);
+		*s = tolower((unsigned char)*s);
 		++s;
 	}
 }
