-int ASN1_sign(int (*i2d)(), X509_ALGOR *algor1, X509_ALGOR *algor2,
- ASN1_BIT_STRING *signature, char *data, EVP_PKEY *pkey,
- const EVP_MD *type)
+int ASN1_sign(i2d_of_void *i2d, X509_ALGOR *algor1, X509_ALGOR *algor2,
+ ASN1_BIT_STRING *signature, char *data, EVP_PKEY *pkey,
+ const EVP_MD *type)