fix HTCONDOR-427 SEC_CREDENTIAL_PRODUCER can trash the queue statement before we finish parsing it
fix HTCONDOR-427 SEC_CREDENTIAL_PRODUCER can trash the queue statement before we finish parsing it

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