add another corresponds to avoid warnings about no use

Author: reaperhulk

openssl/src/derive.rs

@@ -87,6 +87,7 @@ impl<'a> Deriver<'a> {
     /// This corresponds to [`EVP_PKEY_derive_set_peer`]:
     ///
     /// [`EVP_PKEY_derive_set_peer`]: https://www.openssl.org/docs/manmaster/crypto/EVP_PKEY_derive_init.html
+    #[corresponds(EVP_PKEY_derive_set_peer)]
     pub fn set_peer<T>(&mut self, key: &'a PKeyRef<T>) -> Result<(), ErrorStack>
     where
         T: HasPublic,