[PATCH 2 of 2 STABLE] log: fix --follow FILE ancestry calculation

[Matt Mackall]

On Fri, 2012-02-24 at 21:12 +0100, Patrick Mezard wrote:
> # HG changeset patch
> # User Patrick Mezard <patrick at mezard.eu>
> # Date 1330113479 -3600
> # Branch stable
> # Node ID 3d2a2f074162f30880f36efeb1b85c15f09ce9aa
> # Parent  3aac56cd94be3652dee1a3eabdbb971c83e04562
> log: fix --follow FILE ancestry calculation

Queued for stable, thanks.

-- 
Mathematics is the supreme nostalgia of our time.