Comment 2 for bug 946343

StacktraceTop:
 g_type_check_instance (type_instance=0x29ecd40) at /build/buildd/glib2.0-2.31.18/./gobject/gtype.c:4072
 g_signal_emit_valist (instance=0x29ecd40, signal_id=217, detail=0, var_args=0x7fff23788e78) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:2966
 g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090
 bamf_matcher_on_view_closed (proxy=<optimized out>, path=<optimized out>, type=<optimized out>, matcher=0x29ecd40) at /build/buildd/bamf-0.2.110/./lib/libbamf/bamf-matcher.c:156
 ?? ()