appease Rust 1.22 by using byte_utils and ref in match arms

Author: arik-so

lightning/src/ln/peers/conduit.rs

@@ -84,7 +84,7 @@ impl Conduit {
 		let length_vec = chacha::decrypt(&self.receiving_key, self.receiving_nonce as u64, &[0; 0], encrypted_length).unwrap();
 		let mut length_bytes = [0u8; 2];
 		length_bytes.copy_from_slice(length_vec.as_slice());
-		let message_length = u16::from_be_bytes(length_bytes) as usize;
+		let message_length = byte_utils::slice_to_be16(&length_bytes) as usize;
 
 		let message_end_index = message_length + 18; // todo: abort if too short
 		if buffer.len() < message_end_index {

lightning/src/ln/peers/handshake/acts.rs

@@ -24,13 +24,13 @@ impl Act {
 	/// Convert any act into a byte vector
 	pub fn serialize(&self) -> Vec<u8> {
 		match &self {
-			&Act::One(act) => {
+			&Act::One(ref act) => {
 				act.0.to_vec()
 			}
-			&Act::Two(act) => {
+			&Act::Two(ref act) => {
 				act.0.to_vec()
 			}
-			&Act::Three(act) => {
+			&Act::Three(ref act) => {
 				act.0.to_vec()
 			}
 		}