message: Fix cranelift build without unwind
diff: @@ -207,7 +207,13 @@ impl Compiler for CraneliftCompiler {
  (None, None)
  }
  }
  + #[cfg(feature = "unwind")]
  other => (other.maybe_into_to_windows_unwind(), None),
  +
  + // This is a bit hacky, but necessary since gimli is not
  + // available when the "unwind" feature is disabled.
  + #[cfg(not(feature = "unwind"))]
  + other => (other.maybe_into_to_windows_unwind(), None::<()>),
  };
  let range = reader.range();
  