[PATCH 3 of 3 STABLE] revset: avoid set duplication in roots()

[Matt Mackall]

On Sun, 2012-04-08 at 11:22 +0200, Patrick Mezard wrote:
> # HG changeset patch
> # User Patrick Mezard <patrick at mezard.eu>
> # Date 1333876496 -7200
> # Branch stable
> # Node ID 03e408a122c40ce974d648f5c05177676adfbc72
> # Parent  c3fd35f88fbbf0c94aff8d81ffc830950b41fdaf
> revset: avoid set duplication in roots()

These are queued for stable, thanks.

-- 
Mathematics is the supreme nostalgia of our time.