EC_POINT_make_affine
int EC_POINT_make_affine(const EC_GROUP *group, EC_POINT *point, BN_CTX *ctx);
LCRYPTO_ALIAS(EC_POINT_make_affine);
if (!EC_POINT_make_affine(group, points[0], ctx))
LCRYPTO_USED(EC_POINT_make_affine);