message: Fix clippy err
diff: @@ -389,9 +389,8 @@ fn static_file_handler(dest: &str, req: Request, mut res: Response) -> IoResult<
  // strip off any querystrings so path.is_file() matches
  // and doesn't stick index.html on the end of the path
  // (querystrings often used for cachebusting)
  - match req_path.rfind('?') {
  - Some(position) => req_path.truncate(position),
  - None => (),
  + if let Some(position) = req_path.rfind('?') {
  + req_path.truncate(position);
  }
  // find the path of the file in the local system
  