message: [secure storage] bug in vault use of signing with a version
  Closes:
  Approved by: joshlind
diff: @@ -300,8 +300,8 @@ impl CryptoStorage for VaultStorage {
  version: Ed25519PublicKey,
  message: &T,
  ) -> Result<Ed25519Signature, Error> {
  - let vers = self.key_version(&name, &version)?;
  let name = self.crypto_name(name);
  + let vers = self.key_version(&name, &version)?;
  let mut bytes = <T::Hasher as libra_crypto::hash::CryptoHasher>::seed().to_vec();
  lcs::serialize_into(&mut bytes, &message)
  .map_err(|_| libra_crypto::traits::CryptoMaterialError::SerializationError)
  