Update an email address in AUTHORS.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@11839 bcc190cf-cafb-0310-a4f2-bffc1f526a37

AUTHORS

@@ -137,7 +137,7 @@ answer newbie questions, and generally made Django that much better:
     Andrew Durdin <adurdin@gmail.com>
     dusk@woofle.net
     Andy Dustman <farcepest@gmail.com>
-    J. Clifford Dyer <jcd@unc.edu>
+    J. Clifford Dyer <jcd@sdf.lonestar.org>
     Clint Ecker
     Nick Efford <nick@efford.org>
     eibaan@gmail.com