NetworkManager is ongoing a fairly big refactory (see http://live.gnome.org/NetworkManagerToDo) and the piece of code that the patch touches is probably going to be changed a lot.
So this patch was specific to the NM version packaged in ubuntu (0.6.4-6ubuntu1) at that time and was not meant to be applied upstream.
NetworkManager is ongoing a fairly big refactory (see http:// live.gnome. org/NetworkMana gerToDo) and the piece of code that the patch touches is probably going to be changed a lot.
So this patch was specific to the NM version packaged in ubuntu (0.6.4-6ubuntu1) at that time and was not meant to be applied upstream.