suppress not-initialized warning on data_len_c
suppress not-initialized warning on data_len_c

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