Fixed segfault + core dump bug in preen stable (#6521)
Fixed segfault + core dump bug in preen stable (#6521)

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