The socks5 proxy sample application was still using the old prototype
where timer callbacks take a second 'status' parameter but that was
removed in commit db2a9072 ("unix, windows: removed unused status
parameter") from March 2014.
PR-URL: https://github.com/libuv/libuv/pull/1250
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>
