Comment 2 for bug 1194465

StacktraceTop:
 auth_session_remote_object_destroyed_cb (proxy=<optimized out>, user_data=0x15100a0) at signon-auth-session.c:759
 ffi_call_unix64 () at ../src/x86/unix64.S:76
 ffi_call (cif=cif@entry=0x7fff4f0b5870, fn=0x7f5d8db9a900 <auth_session_remote_object_destroyed_cb>, rvalue=0x7fff4f0b57e0, avalue=avalue@entry=0x7fff4f0b57a0) at ../src/x86/ffi64.c:522
 g_cclosure_marshal_generic (closure=0x14570f0, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x0) at /build/buildd/glib2.0-2.37.1/./gobject/gclosure.c:1454
 g_closure_invoke (closure=0x14570f0, return_value=0x0, n_param_values=1, param_values=0x14b6a90, invocation_hint=0x7fff4f0b5a20) at /build/buildd/glib2.0-2.37.1/./gobject/gclosure.c:777