Index: privatemsg.module
===================================================================
RCS file: /cvs/drupal/contributions/modules/privatemsg/privatemsg.module,v
retrieving revision 1.70.2.30.2.91.2.4
diff -w -u -p -r1.70.2.30.2.91.2.4 privatemsg.module
--- privatemsg.module	20 Dec 2008 19:48:47 -0000	1.70.2.30.2.91.2.4
+++ privatemsg.module	23 Dec 2008 17:14:40 -0000
@@ -865,9 +865,7 @@ function privatemsg_title_callback($titl
   if ($count) {
     $new = " ({$count})";
   }
-  $title .= $new;
-
-  return $title;
+  return t('Messages!count', array('!count' => $new));
 }