ASN1_SIMPLE(X509_EXTENSION, object, ASN1_OBJECT),
ASN1_OPT(X509_EXTENSION, critical, ASN1_BOOLEAN),
ASN1_SIMPLE(X509_EXTENSION, value, ASN1_OCTET_STRING)
-} ASN1_SEQUENCE_END(X509_EXTENSION);
+} ASN1_SEQUENCE_END(X509_EXTENSION)
IMPLEMENT_ASN1_FUNCTIONS(X509_EXTENSION)
+IMPLEMENT_ASN1_DUP_FUNCTION(X509_EXTENSION)