Prevent passing of blank shell variables specified in osg-job-environment.conf to the job's environment (SOFTWARE-1862)
Prevent passing of blank shell variables specified in
osg-job-environment.conf to the job's environment (SOFTWARE-1862)

djw8605/htcondor-ce,bbockelm/htcondor-ce,djw8605/htcondor-ce,matyasselmeci/htcondor-ce,opensciencegrid/htcondor-ce,brianhlin/htcondor-ce,bbockelm/htcondor-ce,matyasselmeci/htcondor-ce,brianhlin/htcondor-ce,opensciencegrid/htcondor-ce,opensciencegrid/htcondor-ce,matyasselmeci/htcondor-ce,bbockelm/htcondor-ce,brianhlin/htcondor-ce,djw8605/htcondor-ce