message: Fix some clippy lints in build.rs
  This always seems to evade detection.
diff: @@ -133,7 +133,7 @@ fn get_bash() -> PathBuf {
  // another instance of bash that might be sitting around (like WSL).
  match env::var("MOZILLABUILD") {
  Ok(d) => PathBuf::from(d).join("msys").join("bin").join("bash.exe"),
  - _ => PathBuf::from("bash"),
  + Err(_) => PathBuf::from("bash"),
  }
  }
  @@ -339,7 +339,7 @@ fn setup_for_gecko() -> Vec<String> {
  "cargo:rustc-link-search=native={}",
  path.join("dist").join("bin").to_str().unwrap()
  );
  - let nsslib_path = path.clone().join("security").join("nss").join("lib");
  + let nsslib_path = path.join("security").join("nss").join("lib");
  println!(
  "cargo:rustc-link-search=native={}",
  nsslib_path.join("nss").join("nss_nss3").to_str().unwrap()
  