Add missing function declaration.

const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(int type);

const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(const char *str, int len);

int EVP_PKEY_asn1_add(const EVP_PKEY_ASN1_METHOD *ameth);

EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id,

					const char *pem_str, const char *info);

void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);

void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,

		int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub),

		int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk),

		int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),

		int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,

							ASN1_PCTX *pctx),

		int (*pkey_size)(const EVP_PKEY *pk),

		int (*pkey_bits)(const EVP_PKEY *pk));

void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,

		int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf),

		int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk),

		int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,

							ASN1_PCTX *pctx));

void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,

		int (*param_decode)(EVP_PKEY *pkey,

				const unsigned char **pder, int derlen),