I've learnt that apache package has applied patch which excludes *.dpkg-* files from included directory. I think it could be better solution if you don't want to change apache2.conf file and be backward compatible.
-- .''`. Piotr Roszatycki, Netia SA : :' : mailto:[EMAIL PROTECTED] `. `' mailto:[EMAIL PROTECTED] `- -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]