Rustfmt

src/bindgen/builder.rs

src/bindgen/cargo/cargo.rs

src/bindgen/cdecl.rs

src/bindgen/dependencies.rs

src/bindgen/error.rs

src/bindgen/ir/annotation.rs

src/bindgen/ir/cfg.rs

src/bindgen/ir/constant.rs

src/bindgen/ir/documentation.rs

src/bindgen/ir/enumeration.rs

src/bindgen/ir/function.rs

src/bindgen/ir/generics.rs

src/bindgen/ir/global.rs

src/bindgen/ir/item.rs

src/bindgen/ir/path.rs

src/bindgen/ir/repr.rs

src/bindgen/ir/structure.rs

src/bindgen/ir/ty.rs

src/bindgen/ir/typedef.rs

src/bindgen/ir/union.rs