* cipher/ecc-misc.c (_gcry_ecc_compute_public): Don't need G and d.
Use ec->G and ec->d.
* cipher/ecc-curves.c (_gcry_ecc_get_mpi): Follow the change.
(_gcry_ecc_get_point): Likewise.
* cipher/ecc-eddsa.c (_gcry_ecc_eddsa_compute_h_d): Don't need d,
but use ec->d.
(_gcry_ecc_eddsa_sign): Follow the change.