Set ctx->pid even with TCP connection, useful for Windows.
* src/assuan-listen.c (assuan_accept): Use PID to notify client. * src/assuan-socket-connect.c (_assuan_connect_finalize): Parse the initial message to extract remote PID. * src/client.c (_assuan_client_finish): Only call waitpid when it's not socket.
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>