Fix generic_statistics handling of template instantiation.  #3496.
Fix generic_statistics handling of template instantiation.  #3496.

neurodebian/htcondor,htcondor/htcondor,htcondor/htcondor,djw8605/htcondor,htcondor/htcondor,djw8605/htcondor,zhangzhehust/htcondor,zhangzhehust/htcondor,djw8605/htcondor,neurodebian/htcondor,htcondor/htcondor,htcondor/htcondor,zhangzhehust/htcondor,neurodebian/htcondor,neurodebian/htcondor,zhangzhehust/htcondor,djw8605/htcondor,neurodebian/htcondor,neurodebian/htcondor,djw8605/htcondor,zhangzhehust/htcondor,djw8605/htcondor,zhangzhehust/htcondor,djw8605/htcondor,neurodebian/htcondor,htcondor/htcondor,djw8605/htcondor,htcondor/htcondor,htcondor/htcondor,neurodebian/htcondor,zhangzhehust/htcondor,djw8605/htcondor,zhangzhehust/htcondor,neurodebian/htcondor,zhangzhehust/htcondor