Changes in ifaddr refcounting: ifa_refcnt IFAREF/IFAFREE macros moved to ifa_ref()/ifa_free() refcounting functions.
Changes in ifaddr refcounting: ifa_refcnt IFAREF/IFAFREE macros
moved to ifa_ref()/ifa_free() refcounting functions.

MFC after:	1 week

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase