layout tests pass now, so let's run them

xcoder/xcoder-quadra/xcoder-quadra-sys/build.rs

@@ -80,7 +80,7 @@ fn main() {
             .allowlist_var("GC620_.+")
             // bindgen 0.60.0 broke layout tests: https://github.com/rust-lang/rust-bindgen/issues/2218
             // 0.60.1 claims to have fixed the issue, but does not.
-            .layout_tests(false)
+            .layout_tests(true)
             .clang_arg(format!("-I{}", source_path.to_str().unwrap()))
             .generate()
             .expect("unable to generate bindings");