bindgen-integration: Reformat crate too.
bindgen-integration: Reformat crate too.

Cleanup a bit the reformatted bits while at it.

emilio/rust-bindgen,rust-lang/rust-bindgen,rust-lang/rust-bindgen,rust-lang/rust-bindgen,emilio/rust-bindgen,emilio/rust-bindgen,rust-lang/rust-bindgen,emilio/rust-bindgen,emilio/rust-bindgen