Absolute path to bool in custom_punctuation.rs

[Vanille-N]

This should solve the following error

error[E0053]: method `peek` has an incompatible type for trait
  --> src/lib.rs:61:5
   |
61 |     custom_punctuation!(Neq, <>);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |     |
   |     expected `bool`, found a different `bool`
   |     help: change the output type to match the trait: `bool`
   |
   = note: expected signature `fn(syn::buffer::Cursor<'_>) -> bool`
              found signature `fn(syn::buffer::Cursor<'_>) -> bool`

that occurs when trying to define

mod kw {
    custom_token!(bool);
    custom_punctuation!(Neq, <>);
}

[dtolnay]

Thanks!