patch applied (cabal): Replace remaining OPTIONS pragmas with LANGUAGE + OPTIONS_GHC/JHC/NHC98

[Malcolm Wallace]

> Wed Jan 23 13:19:23 PST 2008  Duncan Coutts <duncan at haskell.org>
>   * Replace remaining OPTIONS pragmas with LANGUAGE +
>   OPTIONS_GHC/JHC/NHC98 ghc-6.4 and above recognise the OPTIONS_GHC
>   pragma. ghc-6.6 and above recognise the LANGUAGE pragma.
>   Added OPTIONS_JHC and OPTIONS_NHC pragmas with equivalant flags.

Errm, only OPTIONS_NHC98 will work for nhc98 actually, not OPTIONS_NHC.

Regards,
    Malcolm