ws2_32/tests: Check if the first IP is a default route in gethostbyname

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?
Full results can be found at
https://testbot.winehq.org/JobDetails.pl?Key=18529

Your paranoid android.


=== w2008s64 (32 bit sock) ===
sock.c:4482: Test failed: failed to find interface index 12
sock.c:4485: Test failed: failed to find the first IP from gethostbyname!

=== w2008s64 (64 bit sock) ===
sock.c:4482: Test failed: failed to find interface index 12
sock.c:4485: Test failed: failed to find the first IP from gethostbyname!