[cvs-nhc98] patch applied (nhc98): Revert spelling of cabal package back to Cabal.

[Malcolm Wallace]

Fri Mar 14 04:05:23 PDT 2008  Malcolm.Wallace at cs.york.ac.uk
  * Revert spelling of cabal package back to Cabal.
  The capitalised version appears to be the correct name.
  (And there is now a symbolic link on the darcs.haskell.org server
  between Cabal and cabal.)

    M ./Makefile -1 +1
    M ./src/libraries/default-packages -1 +1