wininet: default to keep-alive when the server is HTTP/1.1, not when it isn't

[Huw Davies]

Vincent Povirk wrote:
> This is a fix to a problem I introduced in
> fd5b97bc4d12adc69085b739061c56e9107f8d1f. The expression that checked
> the HTTP version was true for HTTP/1.0 servers, and I treated it as if
> it were true for HTTP/1.1 servers. That means we defaulted to keep-alive
> for HTTP/1.0 servers only, the exact opposite of what we want.

This was a problem with the old code too, but what happens when we get
HTTP > 1.1 ?

Huw.