rust-protocol: Fix value in Salt packets.

common/rust-protocol/src/lib.rs

@@ -67,7 +67,7 @@ impl Packet {
             }
             Self::Salt(salt) => {
                 data[0] = 1;
-                data[1..9].copy_from_slice(&salt.to_le_bytes());
+                data[1..8].copy_from_slice(&(salt >> 8 as u64).to_le_bytes()[0..7]);
                 true
             }
             Self::Report(report) => {