wininet/tests: Fix test failures.

[Hans Leidekker]

On Tue, 2016-01-26 at 04:25 -0600, Marvin wrote:
> === 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

These failures existed before this patch:
http://test.winehq.org/data/d575e0afe304d0096f8014f7f411bf28c126cc0b/win10_cw1-hd6800-t32/wininet:http.html