[commit: base] ghc-7.2's head updated: In the deprecation warning for mkTyCon, suggest deriving Typeable. (790a6ac)

[Ian Lynagh]

Repository : ssh://darcs.haskell.org//srv/darcs/packages/base

Branch 'ghc-7.2' now includes:

     903c1af... Typeable overhaul (see #5275)
     e73bd57... fix warning
     739277e... fix warnings (including moving things around to avoid orphan instances)
     790a6ac... In the deprecation warning for mkTyCon, suggest deriving Typeable.