patch applied (ghc): FIX for #1080

[Ross Paterson]

Mon Sep  3 07:10:44 PDT 2007  Ross Paterson <ross at soi.city.ac.uk>
  * FIX for #1080
  
  Arrow desugaring now uses a private version of collectPatBinders and
  friends, in order to include dictionary bindings from ConPatOut.
  
  It doesn't fix arrowrun004 (#1333), though.

    M ./compiler/deSugar/DsArrows.lhs -2 +64
    M ./compiler/hsSyn/HsUtils.lhs +16