tree d32c73bace59fa695eedf647e9408c49e8f43fd5
parent 9c106405ddf893fcd04cd46555464417d2df8451
author Chris Mason <chris.mason@fusionio.com> 1339804922 -0400
committer Chris Mason <chris.mason@fusionio.com> 1339805214 -0400

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>