Format correctly

src/tun2proxy.rs

@@ -8,6 +8,7 @@ use smoltcp::{
     wire::{IpCidr, IpProtocol, Ipv4Packet, Ipv6Packet, TcpPacket, UdpPacket, UDP_HEADER_LEN},
 };
 use socks5_impl::protocol::{Address, StreamOperation, UdpHeader, UserKey};
+use std::collections::LinkedList;
 use std::{
     collections::{HashMap, HashSet},
     convert::{From, TryFrom},
@@ -17,7 +18,6 @@ use std::{
     rc::Rc,
     str::FromStr,
 };
-use std::collections::LinkedList;
 
 #[derive(Hash, Clone, Eq, PartialEq, PartialOrd, Ord, Debug)]
 pub(crate) struct ConnectionInfo {