Fix link line for cream_gahp on RedHat7.
Fix link line for cream_gahp on RedHat7.

Zlib (used by gsoap) needs to be explicitly mentioned on the link line.

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