Force update of TLS cache

[A.L.M.Buxey at lboro.ac.uk]

Hi,

> (9)      } # update control (noop)
> (9)      cache_tls_session (fail)

fail?  when you compiled FR, did you have all the required dependencies in place for using the cache features?
what have you modified in cache_tls module?  is it enabled?

alan