http://bugs.winehq.org/show_bug.cgi?id=29750
--- Comment #5 from Jan-Peter Nilsson peppe@bsnet.se 2012-02-18 06:49:58 CST --- (In reply to comment #4)
send_request already sets the context, but too late. You should instead move the assignment in send_request to before the open_connection call.
True, thank you for pointing that out.