Example does not build (Windows)

[Ragarnoy]

When cargo running the eww example, these are the errors shown by the compiler

error[E0433]: failed to resolve: could not find `BackendBit` in `wgpu`
  --> eww\examples\basic.rs:93:50
   |
93 |         let instance = wgpu::Instance::new(wgpu::BackendBit::PRIMARY);
   |                                                  ^^^^^^^^^^ could not find `BackendBit` in `wgpu`

error[E0433]: failed to resolve: could not find `TextureUsage` in `wgpu`
   --> eww\examples\basic.rs:118:26
    |
118 |             usage: wgpu::TextureUsage::RENDER_ATTACHMENT,
    |                          ^^^^^^^^^^^^ could not find `TextureUsage` in `wgpu`

error[E0412]: cannot find type `SwapChain` in crate `wgpu`
  --> eww\examples\basic.rs:88:23
   |
88 |     swap_chain: wgpu::SwapChain,
   |                       ^^^^^^^^^ not found in `wgpu`

error[E0422]: cannot find struct, variant or union type `SwapChainDescriptor` in crate `wgpu`
   --> eww\examples\basic.rs:117:29
    |
117 |         let sc_desc = wgpu::SwapChainDescriptor {
    |                             ^^^^^^^^^^^^^^^^^^^ not found in `wgpu`

error[E0599]: no method named `create_swap_chain` found for struct `Device` in the current scope
   --> eww\examples\basic.rs:125:33
    |
125 |         let swap_chain = device.create_swap_chain(&surface, &sc_desc);
    |                                 ^^^^^^^^^^^^^^^^^ method not found in `Device`

[luiswirth]

I forgot to update the example. This is now fixed.