HTCONDOR-1093 If the starter can't softkill a job, try once more
HTCONDOR-1093 If the starter can't softkill a job, try once more

This fixes a problem we occasionaly see in the test suite
where the cmd_q_protocols test fails because it removes a job
immediately after it starts.  On Windows, this requires the
job to have run long enough to install the handlers, thus
creating a race.

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