Initialize winsock in lcb_create

Change-Id: Icf70fffbd382c8fa57bcd06a00ef36dbb7270a87
Reviewed-on: http://review.couchbase.org/28190
Reviewed-by: Mark Nunberg <mnunberg@haskalah.org>
Reviewed-by: Sergey Avseyev <sergey.avseyev@gmail.com>
Tested-by: Sergey Avseyev <sergey.avseyev@gmail.com>