[Swan-dev] libswan/ttoaddress.c: use getaddrinfo(3) instead of gethostbyname2(3)

[D. Hugh Redelmeier]

| From: Andrew Cagney <andrew.cagney at gmail.com>

| FYI,
| https://testing.libreswan.org/v4.4-73-g379929c054-main/ikev2-ddns-03/OUTPUT/west.console.diff

Thanks.

Could you see if my latest commit fixes the problem.