message: Update doctest with correct usage of close method
diff: @@ -936,7 +936,7 @@ impl Connection {
  /// ```
  /// # fn main() -> std::io::Result<()> {
  /// # let nc = nats::connect("demo.nats.io")?;
  - /// nc.close()?;
  + /// nc.close();
  /// # Ok(())
  /// # }
  /// ```
  