Fix addTupleTool in DecayTreeTuple
This was causing problems with 'LoKi__Hybrid__TupleTool'. If this brings back a problem then the fix may be best done elsewhere.
I will add a test as well.
This was causing problems with 'LoKi__Hybrid__TupleTool'. If this brings back a problem then the fix may be best done elsewhere.
I will add a test as well.