--- libtirpc-1.3.6.orig/src/auth_none.c	2024-10-17 09:50:55.000000000 +0200
+++ libtirpc-1.3.6/src/auth_none.c	2025-04-30 13:30:55.736451017 +0200
@@ -62,7 +62,7 @@ static bool_t authnone_validate (AUTH *,
 static bool_t authnone_refresh (AUTH *, void *);
 static void authnone_destroy (AUTH *);
 
-extern bool_t xdr_opaque_auth();
+extern bool_t xdr_opaque_auth(XDR *, struct opaque_auth *);
 
 static struct auth_ops *authnone_ops();