message: Allow to build on Windows
  Someone forgot to handle the non unix case for this match which prevented a build on windows.
  A similar line already existed here in line 51 to 56.
diff: @@ -110,7 +110,14 @@ impl PollConnect for Connect {
  params: state.params,
  tls: state.tls,
  })
  - }
  + },
  + #[cfg(not(unix))]
  + Host::Unix(_) => {
  + Err(Error::connect(io::Error::new(
  + io::ErrorKind::Other,
  + "unix sockets are not supported on this platform",
  + )))
  + },
  }
  }
  