(HTCONDOR-925)  Only enable CCB_REQUIRED_TO_START if USE_SHARED_PORT is false.
(HTCONDOR-925)  Only enable CCB_REQUIRED_TO_START if USE_SHARED_PORT is false.

htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor