Add missing break statement in order to prevent the code from falling
through to case CRYPTO_ALG_TYPE_AHASH.

Fixes: aeb4c132 ("crypto: talitos - Convert to new AEAD interface")
Cc: stable@vger.kernel.org
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>