legacy: fix debugrecordpruneparents to call obsstore.create() with keywords
It appears the API was changed twice in Mercurial at
- 570f87422f54 "obsstore: add an explicit `date` argument to obsstore.create"
- adb3798dce49 "obsstore: add a `parents` argument to obsstore.create"
and metadata would be changed to a list of (key, value) pairs. Convert it back
to a dict as expected by create().
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http://hg.netv6.net/evolve-main/
Copyright 2011 Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
Logilab SA <contact@logilab.fr>
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
Patrick Mezard <patrick@mezard.eu>
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