message/messaging_service: Close all server sockets
message/messaging_service: Close all server sockets

We were stopping the loop prematurely.

Signed-off-by: Duarte Nunes <a60e8b7496f7715d71354fe4c06dd24017025bf1@scylladb.com>
Message-Id: <20171127181417.8167-1-a60e8b7496f7715d71354fe4c06dd24017025bf1@scylladb.com>

scylladb/scylla,avikivity/scylla,avikivity/scylla,scylladb/scylla,scylladb/scylla,duarten/scylla,avikivity/scylla,scylladb/scylla,duarten/scylla,duarten/scylla