[PATCH 2 of 2] transaction: clear callback instances after usage

[Matt Mackall]

On Sat, 2016-04-16 at 09:08 -0700, Gregory Szorc wrote:
> # HG changeset patch
> # User Gregory Szorc <gregory.szorc at gmail.com>
> # Date 1460822557 25200
> #      Sat Apr 16 09:02:37 2016 -0700
> # Node ID a6425e909cd3bdee41aea6aeed682298c2bc8073
> # Parent  9acb28de651539bfb776eba9e2a59bc8cb3a52f0
> transaction: clear callback instances after usage

These are queued for default, thanks.

-- 
Mathematics is the supreme nostalgia of our time.