[Libvir] 10/22 Emulate INET_ADDRSTRLEN

No INET_ADDRSTRLEN in Winsock. Instead we hard-code it if not available, as with the other limits. I checked and users of this are safe provided that it's at least some rather small size. Rich. -- Emerging Technologies, Red Hat - http://et.redhat.com/~rjones/ Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 03798903