rfc6979: clippy 1.85 fixups

Author: baloo

rfc6979/src/lib.rs

@@ -229,7 +229,7 @@ mod tests {
         h[2..].copy_from_slice(&Sha512::digest(message));
 
         let aad = b"";
-        let k = generate_k::<Sha512, U66>(&x.into(), &q.into(), &h.into(), aad);
+        let k = generate_k::<Sha512, U66>(&x.into(), &q.into(), &h, aad);
 
         let expected_k = hex!(
             "01DAE2EA071F8110DC26882D4D5EAE0621A3256FC8847FB9022E2B7D28E6F10198B1574FDD03A9053C08A1854A168AA5A57470EC97DD5CE090124EF52A2F7ECBFFD3"