bmxtranswrap: fix access to phys package source references
bmxtranswrap: fix access to phys package source references

stuarthicks/bmx,stuarthicks/bmx,kierank/bmxlib-bmx,xunchangguo/BMX,stuarthicks/bmx,kierank/bmxlib-bmx,xunchangguo/BMX,Limecraft/ebu-bmx,xunchangguo/BMX,Limecraft/ebu-bmx,kierank/bmxlib-bmx,Limecraft/ebu-bmx