Blacklist max_align_t bindgen type

As suggested in rust-lang/rust-bindgen#550

Author: saulius

croaring-sys/build.rs

@@ -13,6 +13,7 @@ fn main() {
       .compile("libroaring.a");
 
     let bindings = bindgen::Builder::default()
+        .blacklist_type("max_align_t")
         .header("CRoaring/roaring.h")
         .generate_inline_functions(true)
         .generate()