message: Make the device clonable again
diff: @@ -4,12 +4,13 @@ pub use device::DeviceV1_0;
  pub use entry::EntryV1_0;
  use std::mem;
  pub trait FunctionPointers {
  - type InstanceFp: InstanceLoader;
  - type DeviceFp: DeviceLoader;
  - type EntryFp: EntryLoader;
  + type InstanceFp: InstanceLoader + Clone;
  + type DeviceFp: DeviceLoader + Clone;
  + type EntryFp: EntryLoader + Clone;
  }
  #[allow(non_camel_case_types)]
  +#[derive(Clone)]
  pub struct V1_0;
  impl FunctionPointers for V1_0 {
  type InstanceFp = InstanceFpV1_0;
  @@ -18,11 +19,13 @@ impl FunctionPointers for V1_0 {
  }
  #[allow(non_camel_case_types)]
  +#[derive(Clone)]
  pub struct InstanceFpV1_0 {
  pub instance_fn: vk::InstanceFnV1_0,
  }
  #[allow(non_camel_case_types)]
  +#[derive(Clone)]
  pub struct EntryFpV1_0 {
  pub entry_fn: vk::EntryFnV1_0,
  }
  @@ -83,6 +86,7 @@ impl InstanceLoader for InstanceFpV1_0 {
  }
  #[allow(non_camel_case_types)]
  +#[derive(Clone)]
  pub struct DeviceFpV1_0 {
  pub device_fn: vk::DeviceFnV1_0,
  }
  