silence dead code warnings in bindings

Author: umanwizard

src/lib.rs

@@ -64,6 +64,7 @@ use std::{fmt, slice};
 /// Low-level interface to the underlying C library.
 pub mod sys {
     #[allow(non_camel_case_types)]
+    #[allow(dead_code)]
     mod c {
         include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
     }