Remove erroneous free(), fix const-ness.  #7892 HTCONDOR-246
Remove erroneous free(), fix const-ness.  #7892 HTCONDOR-246

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