Index: cas.module
===================================================================
--- cas.module	(revision 439)
+++ cas.module	(working copy)
@@ -572,7 +572,7 @@
 {
   global $user;
 
-  watchdog('user', 'Session closed for %name.', array('%name' => theme('placeholder', $user->name)));
+  watchdog('user', 'Session closed for %name.', array('%name' => $user->name));
 
   // Destroy the current session:
   session_destroy();