Update Rust crate hmac to 0.13

Cargo.toml

@@ -18,7 +18,7 @@ hex = "0.4"
 hex-literal = "1.0"
 aes = "0.9"
 ctr = "0.10"
-hmac = "0.12"
+hmac = "0.13"
 md-5 = "0.11"
 rand = "0.10"
 anyhow = "1.0"

src/crypto/wiiu.rs

@@ -1,6 +1,6 @@
 use aes::Aes128;
 use ctr::cipher::{KeyIvInit, StreamCipher};
-use hmac::{Hmac, Mac};
+use hmac::{Hmac, KeyInit, Mac};
 use sha2::Sha256;
 use md5::{Md5, Digest};
 use rand::Rng;