message: Less mem::replace, more &
diff: @@ -880,7 +880,7 @@ impl Connection {
  }
  pub fn send_ticket(&mut self, now: Instant, extra: &[u8]) -> Res<()> {
  - let tps = mem::replace(&mut self.tps, Default::default());
  + let tps = &self.tps;
  let res = match self.tls {
  Agent::Server(ref mut s) => {
  let mut enc = Encoder::default();
  @@ -895,7 +895,6 @@ impl Connection {
  }
  Agent::Client(_) => Err(Error::WrongRole),
  };
  - self.tps = tps;
  res
  }
  