Comment 2 for bug 744656

StacktraceTop:
 g_variant_get_child_value (value=0x24acf30, index_=20) at /build/buildd/glib2.0-2.28.4/./glib/gvariant-core.c:859
 get_properties_callback (obj=<value optimized out>, res=<value optimized out>, user_data=0x24cc720) at /build/buildd/libdbusmenu-0.4.0/./libdbusmenu-glib/client.c:605
 reply_cb (connection=<value optimized out>, res=<value optimized out>, user_data=0x21ba700) at /build/buildd/glib2.0-2.28.4/./gio/gdbusproxy.c:2158
 g_dbus_connection_call_done (source=<value optimized out>, result=<value optimized out>, user_data=0x2524ba0) at /build/buildd/glib2.0-2.28.4/./gio/gdbusconnection.c:4998
 complete_in_idle_cb (data=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./gio/gsimpleasyncresult.c:757