Fix ifdef when CGROUPs is ifdef'd out HTCONDOR-390
Fix ifdef when CGROUPs is ifdef'd out HTCONDOR-390

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