patch applied (ghc): Improve no-type-signature warning

Tue Mar 4 22:11:25 EST 2008

Tue Mar  4 17:12:42 PST 2008  Ian Lynagh <igloo at earth.li>
  * Improve no-type-signature warning
  Instead of
     Warning: Definition but no type signature for `.+.'
              Inferred type: .+. :: forall a. a
  we now say
      Warning: Definition but no type signature for `.+.'
               Inferred type: (.+.) :: forall a. a

    M ./compiler/typecheck/TcBinds.lhs -1 +1