rust/htp: fix clippy uninlined_format_args

rust/htp: fix clippy uninlined_format_args

   --> htp/src/decompressors.rs:703:64
    |
703 |                 std::io::Error::new(std::io::ErrorKind::Other, format!("{}", e))
    |                                                                ^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#uninlined_format_args