Fixed a bug in FindExpr that was introduced in the previous checkin.  The line:   delete attrRef; was removed.
Fixed a bug in FindExpr that was introduced in the previous checkin.  The line:
  delete attrRef;
was removed.

Also made currExpr a const, and passed a copy of currExpr to
MakeAttributeReference

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