fix a obscure compiler warning

fix a obscure compiler warning

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Hi Jeremy,

I have never seen this warning before:
"warning: comparison is always false due to limited range of data type".

Guenther
- --
Günther Deschner                    GPG-ID: 8EE11688
Red Hat                         gdeschner@redhat.com
Samba Team                              gd@samba.org
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>From 6a4935ee455adc1251fce2759f97d35f303bd40e Mon Sep 17 00:00:00 2001
From: =?utf-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org>
Date: Tue, 27 Nov 2007 21:48:39 +0100
Subject: [PATCH] Getting rid of "comparison is always false due to limited range of data type"
 warning.

Guenther