[PATCH] ws2_32/tests: Correct name of IPV6_V6ONLY socket option in messages

[Marvin]

Hi,

While running your changed tests, 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=100406

Your paranoid android.


=== debiant2 (32 bit French report) ===

ws2_32:
sock.c:1135: Test failed: wait failed, error 258

=== debiant2 (32 bit Hindi:India report) ===

ws2_32:
sock.c:1135: Test failed: wait failed, error 258