Patched zmq uri string connect

HI
if zmq input is specified in command line (odr-dabmod -f /dev/stdout zmq+tcp://127.0.0.1:9999) the full string  zmq+tcp://127.0.0.1:9999 is passed to subscriber.connect and zmq exception occurs:
ZeroMQ error in RecvProcess: 'Protocol not supported'

Regards
Sergio