chat-hook: fixes typo in $sign migration
=/ nack-count=@ud (slav %ud i.t.wire)
=/ who=@p (slav %p i.t.t.wire)
=/ pax t.t.t.wire
- ?> ?=([%behns %wake *] sign-arvo)
+ ?> ?=([%behn %wake *] sign-arvo)
~? ?=(^ error.sign-arvo)
"behn errored in backoff timers, continuing anyway"
:_ this
