agent: Adjust cleanup for supervised mode. Fix for W32.
* agent/gpg-agent.c (opts) [W32]: Remove option --supervised. (is_supervised): Move from main() to global. (inhibit_socket_removal): New. (cleanup): Take care of supervise mode and INHIBIT_SOCKET_REMOVAL. (check_own_socket_thread): Set INHIBIT_SOCKET_REMOVAL instead of seting the socket names to empty.
- Signed-off-by: Werner Koch <wk@gnupg.org>