until we have confirmed that other gratuituous errors are stalling replication (now that we ignore ENOENT), do not leak garbage.  we can revert this change and knowingly (potentially) leak garbage in the case that we are stalling progress on garbage reclamation by gratuituous errors
until we have confirmed that other gratuituous errors are stalling replication (now that we ignore ENOENT), do not leak garbage.  we can revert this change and knowingly (potentially) leak garbage in the case that we are stalling progress on garbage reclamation by gratuituous errors

git-svn-id: ae92b08b608af1c8cefa3e10d2325ea527204e07@21719 3eda493b-6a19-0410-b2e0-ec8ea4dd8fda

pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable