HTCONDOR-1233 fix small memory leak in condor_history
HTCONDOR-1233 fix small memory leak in condor_history

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