Minor bug fix.

protogeni/scripts/register_sliver.in

 #!/usr/bin/perl -w
 #
 # GENIPUBLIC-COPYRIGHT
-# Copyright (c) 2008-2009 University of Utah and the Flux Group.
+# Copyright (c) 2008-2010 University of Utah and the Flux Group.
 # All rights reserved.
 #
 use strict;
@@ -82,6 +82,7 @@ my $certificate  = GeniCertificate->LoadFromFile($EMULAB_PEMFILE);
 if (!defined($certificate)) {
     fatal("Could not load certificate from $EMULAB_PEMFILE");
 }
+$ENV{'MYURN'} = "urn:publicid:IDN+@OURDOMAIN@+authority+cm";
 Genixmlrpc->SetContext(Genixmlrpc->Context($certificate));
 Genixmlrpc->SetTimeout(10);