[vtkusers] vtkMultiBlockPLOT3DReader default reference count to 2 on New()?

[da]

Hey all, is this normal/correct ?

reader = vtkMultiBlockPLOT3DReader::New();
int ref = reader->GetReferenceCount(); // ref defaults to 2??

I also noticed this with vtkPNGWriter... Should I be worried about this if
I'm trying to register/unregister the reader in different places?
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