Update declaration of sysapi_get_unix_info(). HTCONDOR-627
Update declaration of sysapi_get_unix_info(). HTCONDOR-627

htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor