[PATCH] wininet: TLS fallback mechanism (try3)

[Hiroshi Miura]

OpenSSL 1.0.x now support TLSv1.1 and TLSv1.2.
Sometimes TLSv1.1/1.2 negotiation fails bacause of combination
of server/client ssl library versions.
It fixes the error connecting Evernote server with evernote client.
http://bugs.winehq.org/show_bug.cgi?id=30598

It has also mechanism enable/disable TLSv1.1/1.2 by registry entry under
SYSTEM/CurrentControlSet/Control/SecurityProvider/SCHANNEL/Protocols/
where is as same place as Windows7.
TLSv1.1/1.2 is enabled when the registry entry does not exist.

It is not enabled when openssl don't support TLSv1.1/1.2,
and wininet behave same as before.

Signed-off-by: Hiroshi Miura <miurahr at linux.com>
---
 dlls/wininet/netconnection.c |  166 ++++++++++++++++++++++++++++++++----------
 1 file changed, 127 insertions(+), 39 deletions(-)


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