[1/3] winhttp: Improve parsing of cookie values.

[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=14301

Your paranoid android.


=== w2000pro (32 bit winhttp) ===
winhttp.c:945: Test failed: failed to receive response 12152
winhttp.c:950: Test failed: failed unexpectedly 12019
winhttp.c:951: Test failed: request failed unexpectedly 3735928559