Backported from X.org:

 commit 6c46645cfc1afda8aeabfe0ed4d9342673b702f1
 Author: Eamon Walsh <ewalsh@tycho.nsa.gov>
 Date:   Thu Dec 14 14:45:42 2006 -0500

    Naming change: Security*Access -> Dix*Access
Backported-to-NX-by: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>