wininet/tests: Fix test failures.

[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=19970

Your paranoid android.


=== w1064 (32 bit http) ===
http.c:534: Test failed: HTTP_QUERY_RAW_HEADERS: expected length 0, but got 1
http.c:534: Test failed: HTTP_QUERY_RAW_HEADERS: expected length 0, but got 1
http.c:534: Test failed: HTTP_QUERY_RAW_HEADERS: expected length 0, but got 1
http.c:534: Test failed: HTTP_QUERY_RAW_HEADERS: expected length 0, but got 1
http.c:534: Test failed: HTTP_QUERY_RAW_HEADERS: expected length 0, but got 1
http.c:1773: Test failed: Expected 2, got 4
http.c:1774: Test failed: Expected CRLF, got '
http.c:2408: Test failed: count was wrong
http.c:2409: Test failed: http data wrong, got: Garbage: Header
http.c:3072: Test failed: HttpAddRequestHeaders succeeded
http.c:3073: Test failed: Expected error ERROR_HTTP_HEADER_NOT_FOUND, got 0
http.c:3078: Test failed: code = 200, expected 400
http.c:3078: Test failed: code = 200, expected 400
http.c:3078: Test failed: unexpected status code 200, expected 400
http.c:3078: Test failed: unexpected status code 200, expected 400
http.c:534: Test failed: HTTP_QUERY_RAW_HEADERS: expected length 0, but got 1