[PATCH] ws2_32: Allow user to enable IP dual stack (v4).

[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=26191

Your paranoid android.


=== wvistau64 (32 bit sock) ===
sock.c:6188: Test failed: Failed to disable IPV6_V6ONLY (LastError: -559038737; 10048 expected if IPv6 binds to IPv4 as well).

=== w2008s64 (32 bit sock) ===
sock.c:6188: Test failed: Failed to disable IPV6_V6ONLY (LastError: -559038737; 10048 expected if IPv6 binds to IPv4 as well).

=== w7u (32 bit sock) ===
sock.c:6188: Test failed: Failed to disable IPV6_V6ONLY (LastError: 0; 10048 expected if IPv6 binds to IPv4 as well).

=== w7pro64 (32 bit sock) ===
sock.c:6188: Test failed: Failed to disable IPV6_V6ONLY (LastError: 0; 10048 expected if IPv6 binds to IPv4 as well).
sock.c:7810: Test failed: bytesReturned isn't supposed to be 1
sock.c:7834: Test failed: GetOverlappedResult failed, error 0

=== w8 (32 bit sock) ===
sock.c:6188: Test failed: Failed to disable IPV6_V6ONLY (LastError: 0; 10048 expected if IPv6 binds to IPv4 as well).

=== w864 (32 bit sock) ===
sock.c:6188: Test failed: Failed to disable IPV6_V6ONLY (LastError: 0; 10048 expected if IPv6 binds to IPv4 as well).

=== w1064 (32 bit sock) ===
sock.c:6188: Test failed: Failed to disable IPV6_V6ONLY (LastError: 0; 10048 expected if IPv6 binds to IPv4 as well).

=== wvistau64 (64 bit sock) ===
sock.c:6188: Test failed: Failed to disable IPV6_V6ONLY (LastError: -559038737; 10048 expected if IPv6 binds to IPv4 as well).

=== w2008s64 (64 bit sock) ===
sock.c:6188: Test failed: Failed to disable IPV6_V6ONLY (LastError: -559038737; 10048 expected if IPv6 binds to IPv4 as well).

=== w7pro64 (64 bit sock) ===
sock.c:6188: Test failed: Failed to disable IPV6_V6ONLY (LastError: 0; 10048 expected if IPv6 binds to IPv4 as well).
sock.c:7810: Test failed: bytesReturned isn't supposed to be 1
sock.c:7856: Test failed: Waiting for timeout failed with 0 + errno 997

=== w864 (64 bit sock) ===
sock.c:6188: Test failed: Failed to disable IPV6_V6ONLY (LastError: 0; 10048 expected if IPv6 binds to IPv4 as well).

=== w1064 (64 bit sock) ===
sock.c:6188: Test failed: Failed to disable IPV6_V6ONLY (LastError: 0; 10048 expected if IPv6 binds to IPv4 as well).