(canonical-name): Added a missing "?" to the validate regexp: the port

	number part should be optional.

run-support/aux-items.conf

 # 
-# $Id: aux-items.conf,v 1.15 2001/09/22 13:41:24 byers Exp $
+# $Id: aux-items.conf,v 1.16 2001/09/29 18:57:00 ceder Exp $
 # Copyright (C) 1994-2000  Lysator Academic Computer Association.
 # 
 # This file is part of the LysKOM server.
@@ -420,7 +420,7 @@
     unique          = true;
     secret          = false;
     hide-creator    = false;
-    validate        = "^[---A-Za-z0-9.]+(:[0-9]+)$";
+    validate        = "^[---A-Za-z0-9.]+(:[0-9]+)?$";
 }
 
 #