[heycam/webidl] Fix [TreatNullAs] usage in example (#360)

This was not corrected as part of #286. Thanks @cdumez for spotting it!
You can view, comment on, or merge this pull request online at:

  https://github.com/heycam/webidl/pull/360

-- Commit Summary --

  * Fix [TreatNullAs] usage in example

-- File Changes --

    M index.bs (2)

-- Patch Links --

https://github.com/heycam/webidl/pull/360.patch
https://github.com/heycam/webidl/pull/360.diff

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/heycam/webidl/pull/360