wininet: Ignore the accept types array in HttpOpenRequestA if there are invalid pointers.

[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=14577

Your paranoid android.


=== W7PRO (32 bit http) ===
http.c:2873: Test failed: HttpSendRequest failed: 12002