ecc: Fix initialization of EC context.
* cipher/ecc.c (test_ecdh_only_keys, ecc_generate) (ecc_check_secret_key, ecc_encrypt_raw, ecc_decrypt_raw): Initialize by _gcry_mpi_ec_p_internal_new should carry FLAGS.
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>