Backported from X.org:

 commit 64ef7ed072007b1d0b4de5ff1e5eababa418c794
 Author: Adam Jackson <ajax@redhat.com>
 Date:   Wed Aug 20 13:14:03 2008 -0400

    Centralize declaration of ConnectionInfo.

Author: Adam Jackson <ajax@redhat.com>
Backport to nx-libs: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>