Comment 2 for bug 742110

StacktraceTop:
 ?? ()
 SimpleLauncherIcon::ActivateLauncherIcon() () from /usr/lib/compiz/libunityshell.so
 g_closure_invoke (closure=0x40d8280, return_value=0x0, n_param_values=1, param_values=0x2b78560, invocation_hint=0x7fffe3b43cb0) at /build/buildd/glib2.0-2.28.4/./gobject/gclosure.c:767
 signal_emit_unlocked_R (node=<value optimized out>, detail=0, instance=0x247c990, emission_return=0x0, instance_and_params=0x2b78560) at /build/buildd/glib2.0-2.28.4/./gobject/gsignal.c:3252
 g_signal_emit_valist (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>, var_args=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./gobject/gsignal.c:2983