Prohibited use of both -forward and -since with condor_history (#6417)
Prohibited use of both -forward and -since with condor_history (#6417)

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