close stderr in condor_who before running netstat on linux HTCONDOR-590
close stderr in condor_who before running netstat on linux HTCONDOR-590

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