adjust bdist_msi transformation of `__version__`
adjust bdist_msi transformation of `__version__`

make it a bit more complete, in case of versions longer than three.

yyt030/pyzmq,dash-dash/pyzmq,Mustard-Systems-Ltd/pyzmq,dash-dash/pyzmq,swn1/pyzmq,swn1/pyzmq,caidongyun/pyzmq,ArvinPan/pyzmq,yyt030/pyzmq,ArvinPan/pyzmq,caidongyun/pyzmq,ArvinPan/pyzmq,swn1/pyzmq,caidongyun/pyzmq,yyt030/pyzmq,Mustard-Systems-Ltd/pyzmq,dash-dash/pyzmq,Mustard-Systems-Ltd/pyzmq