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-rw-r--r--openssl/src/crypto/hmac.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/openssl/src/crypto/hmac.rs b/openssl/src/crypto/hmac.rs
index dace68aa..a59cb929 100644
--- a/openssl/src/crypto/hmac.rs
+++ b/openssl/src/crypto/hmac.rs
@@ -22,7 +22,7 @@ use std::io::prelude::*;
use crypto::hash::Type;
use ffi;
-#[derive(PartialEq, Copy)]
+#[derive(PartialEq, Copy, Clone)]
enum State {
Reset,
Updated,