$NetBSD: patch-ac,v 1.1 2004/12/04 12:01:09 wiz Exp $

--- src/utils.c.orig	2003-08-25 14:58:22.000000000 +0200
+++ src/utils.c
@@ -635,7 +635,7 @@ gfloat gtranslator_utils_calculate_simil
 		{
 			similarity+=one_char_percentage;
 		}
-		else if((tolower(a[i]))==(tolower(b[i])))
+		else if((tolower((unsigned char)a[i]))==(tolower((unsigned char)b[i])))
 		{
 			similarity+=(one_char_percentage / 2);
 		}