Comment 2 for bug 1150028

StacktraceTop:
 event_remove (event=0x8b044d8) at empathy-event-manager.c:185
 ffi_call_SYSV () at ../src/x86/sysv.S:65
 ffi_call (cif=cif@entry=0xbfe14b24, fn=fn@entry=0x8065fa0 <event_activated_cb>, rvalue=0xbfe14a90, avalue=avalue@entry=0xbfe14a50) at ../src/x86/ffi.c:413
 g_cclosure_marshal_generic_va (closure=closure@entry=0x88267e8, return_value=return_value@entry=0x0, instance=instance@entry=0x86fe068, args_list=args_list@entry=0xbfe14dbc "\260\350\241\b\330D\260\b\310Y\202\b\200\373\250\b\203'\247\266\200\373\250\bP", marshal_data=marshal_data@entry=0x0, n_params=n_params@entry=2, param_types=param_types@entry=0x88260b0) at /build/buildd/glib2.0-2.35.8/./gobject/gclosure.c:1550
 _g_closure_invoke_va (closure=0x88267e8, return_value=return_value@entry=0x0, instance=instance@entry=0x86fe068, args=args@entry=0xbfe14dbc "\260\350\241\b\330D\260\b\310Y\202\b\200\373\250\b\203'\247\266\200\373\250\bP", n_params=2, param_types=0x88260b0) at /build/buildd/glib2.0-2.35.8/./gobject/gclosure.c:840