patch applied (ghc): Use -Wwarn for the binary package, becuase it has redundant UNPACK pragmas

[Simon Peyton Jones]

Thu May  6 09:07:50 PDT 2010  simonpj at microsoft.com
  * Use -Wwarn for the binary package, becuase it has redundant UNPACK pragmas

    M ./ghc.mk +17

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc;a=darcs_commitdiff;h=20100506160750-1287e-dd66bc41b2e4f798ccccf723c8520d9946bc44d4.gz