Implement timeout in assuan_sock_connect_byname.
* src/assuan-socket.c (socks5_connect): Add new argument TIMEOUT in milliseconds. (_assuan_sock_connect): Follow the change. (_assuan_sock_connect_byname): Fourth argument is now TIMEOUT. (assuan_sock_connect_byname): Likewise.
- GnuPG-bug-id: T3302
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>