patch applied (cabal): Add data Platform = Platform Arch OS

Tue Aug 12 09:09:41 PDT 2008 Duncan Coutts * Add data Platform = Platform Arch OS Since we tend to pass them around together rather a lot. Also add a Text instance with a format like "i386-linux" M ./Distribution/System.hs +25 View patch online: http://darcs.haskell.org/cabal/_darcs/patches/20080812160941-adfee-3690e2bde...