From 4325edd0786fdd3909f9550e52a963b2fe54f78b Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@fusionio.com>
Date: Fri, 15 Jun 2012 20:02:02 -0400
Subject: [PATCH] Btrfs: init old_generation in get_old_root

gcc was giving an uninit variable warning here.  Strictly
speaking we don't need to init it, but this will make things
much less error prone.

Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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Reading git-format-patch failed