patch applied (packages/arrows): fix to newReader (from Peter Gammie)

[Ross Paterson]

Wed Jul 23 09:58:03 PDT 2008  Ross Paterson <ross at soi.city.ac.uk>
  * fix to newReader (from Peter Gammie)
  
  It wasn't replacing the environment with the new one.

    M ./Control/Arrow/Transformer/Reader.hs -2 +1

View patch online:
http://darcs.haskell.org/packages/arrows/_darcs/patches/20080723165803-b47d3-b8b38bde6780154f7787d821e99644163ac95225.gz