use access() instead of stat() on the executable in CreateProcess() so we make certain that not only does the executable exist, but that we have permissions to execute it.
use access() instead of stat() on the executable in CreateProcess() so
we make certain that not only does the executable exist, but that we
have permissions to execute it.

zhangzhehust/htcondor,clalancette/condor-dcloud,djw8605/htcondor,djw8605/condor,zhangzhehust/htcondor,bbockelm/condor-network-accounting,bbockelm/condor-network-accounting,mambelli/osg-bosco-marco,htcondor/htcondor,neurodebian/htcondor,clalancette/condor-dcloud,zhangzhehust/htcondor,djw8605/condor,clalancette/condor-dcloud,zhangzhehust/htcondor,neurodebian/htcondor,djw8605/htcondor,djw8605/htcondor,neurodebian/htcondor,neurodebian/htcondor,djw8605/htcondor,zhangzhehust/htcondor,djw8605/condor,mambelli/osg-bosco-marco,mambelli/osg-bosco-marco,djw8605/htcondor,mambelli/osg-bosco-marco,clalancette/condor-dcloud,bbockelm/condor-network-accounting,neurodebian/htcondor,zhangzhehust/htcondor,bbockelm/condor-network-accounting,djw8605/condor,zhangzhehust/htcondor,djw8605/htcondor,djw8605/condor,neurodebian/htcondor,clalancette/condor-dcloud,zhangzhehust/htcondor,djw8605/htcondor,clalancette/condor-dcloud,htcondor/htcondor,zhangzhehust/htcondor,djw8605/condor,neurodebian/htcondor,djw8605/htcondor,mambelli/osg-bosco-marco,djw8605/condor,htcondor/htcondor,bbockelm/condor-network-accounting,htcondor/htcondor,htcondor/htcondor,djw8605/htcondor,neurodebian/htcondor,mambelli/osg-bosco-marco,bbockelm/condor-network-accounting,clalancette/condor-dcloud,htcondor/htcondor,bbockelm/condor-network-accounting,bbockelm/condor-network-accounting,mambelli/osg-bosco-marco,djw8605/condor,htcondor/htcondor,htcondor/htcondor,neurodebian/htcondor,mambelli/osg-bosco-marco