Add warning about IPv6ifying my_ip_string
Add warning about IPv6ifying my_ip_string

This function is called while the configuration files are being read. If
this function returns different answers at different times, bad things
could happen.

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