Bump bindgen to 0.70

Author: tesuji

sdl2-sys/Cargo.toml

@@ -20,7 +20,7 @@ path = "src/lib.rs"
 libc = "^0.2"
 
 [build-dependencies.bindgen]
-version = "^0.69"
+version = "^0.70"
 optional = true
 
 [build-dependencies.pkg-config]

src/sdl2/image/mod.rs

@@ -34,6 +34,7 @@ use version::Version;
 bitflags! {
     /// InitFlags are passed to init() to control which subsystem
     /// functionality to load.
+    #[derive(Clone, Copy)]
     pub struct InitFlag : u32 {
         const JPG  = image::IMG_InitFlags_IMG_INIT_JPG;
         const PNG  = image::IMG_InitFlags_IMG_INIT_PNG;

src/sdl2/mixer/mod.rs

@@ -96,6 +96,7 @@ pub fn get_linked_version() -> Version {
 }
 
 bitflags!(
+    #[derive(Clone, Copy, Debug)]
     pub struct InitFlag : u32 {
         const FLAC = mixer::MIX_InitFlags_MIX_INIT_FLAC;
         const MOD  = mixer::MIX_InitFlags_MIX_INIT_MOD;