Comment 2 for bug 954826

StacktraceTop:
 g_type_check_instance (type_instance=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gtype.c:4075
 g_signal_emit_valist (instance=0x257ae10, signal_id=657, detail=0, var_args=0x7fff584e59e8) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3083
 g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3352
 check_hashing (data=0x257c700) at empathy-ft-handler.c:1214
 ft_handler_gfile_ready_cb (source=<optimized out>, res=<optimized out>, cb_data=0x257c700) at empathy-ft-handler.c:1295