We removed it, because upstream removed it. But now it will be coming
back, so work with it either way.
Signed-off-by: Vincent Batts <vbatts@redhat.com>
They say we should only use the BTRFS_LIB_VERSION
They will no longer support this since it had to be managed manually
Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)