[cvs-nhc98] patch applied (yhc): Remove a premature optimisation in length, was unrolled one level (if we want extra optimisation, look at last!)

[Neil Mitchell]

Mon Jul  9 15:23:45 PDT 2007  Neil Mitchell
  * Remove a premature optimisation in length, was unrolled one level (if we want extra optimisation, look at last!)

    M ./src/packages/yhc-base-1.0/Prelude.hs -2 +1