(#4494)  Check for getaddrinfo() success /before/ using the result.  Also, fix call to getaddrinfo() when on Ubuntu 10 or 12.
(#4494)  Check for getaddrinfo() success /before/ using the result.  Also, fix call to getaddrinfo() when on Ubuntu 10 or 12.

htcondor/htcondor,neurodebian/htcondor,neurodebian/htcondor,neurodebian/htcondor,neurodebian/htcondor,htcondor/htcondor,htcondor/htcondor,neurodebian/htcondor,htcondor/htcondor,htcondor/htcondor,neurodebian/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,neurodebian/htcondor,neurodebian/htcondor,neurodebian/htcondor