Avoid an infinite loop in BufferEmpty (Fix ROOT-7328).
Avoid an infinite loop in BufferEmpty (Fix ROOT-7328).

tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot