[PATCH STABLE?] dirstate: propagate IOError other than ENOENT when reading branch

[Matt Mackall]

On Sat, 2012-01-07 at 14:52 +0100, Pierre-Yves David wrote:
> # HG changeset patch
> # User Pierre-Yves David <pierre-yves.david at ens-lyon.org>
> # Date 1325831879 -3600
> # Node ID 7058a6c38ba712ca1560c2fe9f4212d58bae5a93
> # Parent  83a140752239f6a1e834f00932275c615a2b9e36
> dirstate: propagate IOError other than ENOENT when reading branch

Queued for stable, thanks.

-- 
Mathematics is the supreme nostalgia of our time.