patch applied (ghc): Extcore can now handle data types without constructors

[josefs at cs.chalmers.se]

Thu Apr 20 14:36:22 PDT 2006  Josef Svenningsson <josef.svenningsson at gmail.com>
  * Extcore can now handle data types without constructors

    M ./compiler/coreSyn/MkExternalCore.lhs -1 +2
    M ./compiler/parser/ParserCore.y -4 +4