patch applied (packages/base): Sync with FPS head.

[Don Stewart]

Mon May  8 05:23:22 PDT 2006  Don Stewart <dons at cse.unsw.edu.au>
  * Sync with FPS head.
  
  Mon May  8 10:40:14 EST 2006  Don Stewart <dons at cse.unsw.edu.au>
    * Fix all uses for Int that should be CInt or CSize in ffi imports.
    Spotted by Igloo, dcoutts
  
  Mon May  8 16:09:41 EST 2006  Don Stewart <dons at cse.unsw.edu.au>
    * Import nicer loop/loop fusion rule from ghc-ndp
  
  Mon May  8 17:36:07 EST 2006  Don Stewart <dons at cse.unsw.edu.au>
    * Fix stack leak in split on > 60M strings
  
  Mon May  8 17:50:13 EST 2006  Don Stewart <dons at cse.unsw.edu.au>
    * Try same fix for stack overflow in elemIndices
  

    M ./Data/ByteString.hs -27 +34
    M ./Data/ByteString/Char8.hs -2 +2