rpc: Add missing return when closing client socket
rpc: Add missing return when closing client socket

Signed-off-by: Duarte Nunes <a60e8b7496f7715d71354fe4c06dd24017025bf1@scylladb.com>
Message-Id: <20180423100739.2489-1-a60e8b7496f7715d71354fe4c06dd24017025bf1@scylladb.com>

avikivity/seastar,cloudius-systems/seastar,syuu1228/seastar,cloudius-systems/seastar,syuu1228/seastar,scylladb/seastar,dreamsxin/seastar,avikivity/seastar,scylladb/seastar,dreamsxin/seastar,dreamsxin/seastar,cloudius-systems/seastar,syuu1228/seastar,avikivity/seastar,scylladb/seastar