[PATCH 2/3] ws2_32: fix up iovecs after transmission in WS2_send instead of WS2_sendto

[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
http://testbot.winehq.org/JobDetails.pl?Key=7171

Your paranoid android.


=== W98SE (32 bit sock) ===
sock.c:2661: Test failed: Failed to start overlapped send 0 - 0 - 1048576/1048576