ws2_32/tests: Properly check for loopback address in test_gethostbyname().
ws2_32: Exclude not found and loopback addresses in get_local_ips() if others present. Fixes a regression introduced by d48e8d03bd679480c24671908f1d2e4c0851bd65. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=59690