patch applied (ghc): mkLiveness: when calculating the size of a parameter, round up not down.

[Simon Marlow]

Fri Aug  3 02:32:29 PDT 2007  Simon Marlow <simonmar at microsoft.com>
  * mkLiveness: when calculating the size of a parameter, round up not down.
  Fixes read002 on x86_64 (and maybe others).  The stg_ap_f_info info
  table had the wrong liveness on it, because the float had been treated
  as having zero size.

    M ./compiler/cmm/CmmInfo.hs -1 +3