patch applied (packages/base): Import Data.ByteString from fps 0.5.

[Simon Marlow]

Fri Apr 28 06:07:18 PDT 2006  Don Stewart <dons at cse.unsw.edu.au>
  * Import Data.ByteString from fps 0.5.
  Fast, packed byte vectors, providing a better PackedString.
  

    A ./Data/ByteString/
    A ./Data/ByteString.hs
    A ./Data/ByteString/Char8.hs
    M ./Makefile +1
    M ./base.cabal +2
    A ./cbits/fpstring.c
    A ./include/fpstring.h
    M ./package.conf.in +2