message: Fix cfg!(unix)
diff: @@ -104,7 +104,7 @@ impl Shell {
  let file_completers = match env::var("PATH") {
  Ok(val) => {
  let mut compl = Vec::new();
  - if cfg!(target_os="linux") {
  + if cfg!(unix) {
  for x in val.split(":") {
  compl.push(FilenameCompleter::new(Some(x)));
  }
  