[PATCH] ws2_32/tests: Use the available ARRAY_SIZE() macro

[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=39073

Your paranoid android.


=== w7u (32 bit sock) ===
sock.c:10956: Test failed: got 0
sock.c:10957: Test failed: got 00000000
sock.c:10958: Test failed: got 0000
sock.c:10959: Test failed: got 00000000
sock.c:10960: Test failed: got 00000000
sock.c:10970: Test failed: got 0464,000002f4,00000002

=== w1064 (64 bit sock) ===
sock.c:8629: Test failed: bytesReturned isn't supposed to be 1
sock.c:8653: Test failed: GetOverlappedResult failed, error 0