[1/3] wininet: Don't return available data sizes larger than the read buffer.

[Hans Leidekker]

On Tue, 2016-07-19 at 04:38 -0500, Marvin wrote:
> 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=24338
> 
> Your paranoid android.
> 
> 
> === w864 (64 bit http) ===
> http.c:5309: Test failed: HttpSendRequest failed: 8

This is a connection failure in test_secure_connection. It didn't occur
in the next test run: https://testbot.winehq.org/JobDetails.pl?Key=24339