patch applied (packages/base): default to NoBuffering on Windows for a read/write text file

[Simon Marlow]

Thu Jun 22 07:44:46 PDT 2006  Simon Marlow <simonmar at microsoft.com>
  * default to NoBuffering on Windows for a read/write text file
  Fixes (works around) #679

    M ./GHC/Handle.hs +11