Ignore the actual error code returned by getaddrinfo
requested to merge 2569-nsupdate-on-solaris-produces-different-failure-text-than-expected-v9_16 into v9_16
when testing if interactive mode continues or not on invalid hostname. We only need to detect that getaddrinfo failed and that we continued or not.
(cherry picked from commit 25d12761)
Closes #2569 (closed)