diff -ur ../transmission-2.13.orig/gtk/notify.c ./gtk/notify.c
--- ../transmission-2.13.orig/gtk/notify.c	2010-12-10 01:23:21.000000000 +0530
+++ ./gtk/notify.c	2010-12-28 21:32:41.073397263 +0530
@@ -160,7 +160,12 @@
     if( pref_flag_get( PREF_KEY_SHOW_DESKTOP_NOTIFICATION ) )
     {
         NotifyNotification * n = notify_notification_new(
-            _( "Torrent Added" ), name, NULL, NULL );
+            _( "Torrent Added" ), name, NULL 
+/* the fourth argument was removed in libnotify 0.7.0 */
+#if !defined(NOTIFY_VERSION_MINOR) || (NOTIFY_VERSION_MAJOR == 0 && NOTIFY_VERSION_MINOR < 7)
+                                                     , NULL
+#endif
+                );
         addIcon( n );
         notify_notification_set_timeout( n, NOTIFY_EXPIRES_DEFAULT );
         notify_notification_show( n, NULL );