The afalg engine was moved down from engines/afalg/ to engines/, but
the test wasn't changed accordingly. This was undetected because the
test program didn't fail when it couldn't load the engine.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5270)
The new afalg test should have a copyright date of 2016. Also an
incorrect buffer was being sent to EVP_CipherFinal_ex when
decrypting.
Reviewed-by: Richard Levitte <levitte@openssl.org>