Disable kerberos on Debian 6 for now.  The externals do not build with the current version of Kerberos on this platform.
Disable kerberos on Debian 6 for now.  The externals do not build with
the current version of Kerberos on this platform.

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