Comment 10 for bug 67904

Crash to dbus-glib:

#0 0xb7bdd6cc in dbus_g_method_return_error (context=0x0, error=0x847278c) at dbus-gobject.c:1996
1996 {
(gdb) bt
#0 0xb7bdd6cc in dbus_g_method_return_error (context=0x0, error=0x847278c) at dbus-gobject.c:1996
#1 0xb701e53e in IA__g_slist_find_custom (list=0x8667da0, data=0x847278c, func=0xb7bdd6b0 <dbus_g_method_return+782>)
    at gslist.c:389
#2 0xb7be1acc in dbus_g_proxy_set_interface (proxy=0x81ee830, interface_name=0x8472428 "\001") at dbus-gproxy.c:2036
#3 0xb7b868ce in dbus_connection_dispatch (connection=0x8667da0) at dbus-connection.c:3779
#4 0xb7bd951d in watch_toggled (watch=0x81f0268, data=0x0) at dbus-gmain.c:455
#5 0xb7006802 in IA__g_main_context_dispatch (context=0x81c9aa0) at gmain.c:2045
#6 0xb70097df in g_main_context_iterate (context=0x81c9aa0, block=1, dispatch=1, self=0x81626a8) at gmain.c:2677
#7 0xb7009b89 in IA__g_main_loop_run (loop=0x816b1d0) at gmain.c:2881
#8 0xb773d574 in IA__gtk_main () at gtkmain.c:1024
#9 0x0806bccf in main (argc=1, argv=0xbfe255e4) at main.c:381