Trivial update src/handshake/machine.rs

Co-authored-by: Daniel Abramov <inetcrack2@gmail.com>

src/handshake/machine.rs

@@ -146,7 +146,7 @@ pub(crate) struct AttackCheck {
 impl AttackCheck {
     /// Initialize attack checking for incoming buffer.
     fn new() -> Self {
-        AttackCheck { number_of_packets: 0, number_of_bytes: 0 }
+        Self { number_of_packets: 0, number_of_bytes: 0 }
     }
 
     /// Check the size of an incoming packet. To be called immediately after `read()`