patch applied (cabal): don' t automatically include install-include: headers into compilations via C

[Duncan Coutts]

Fri Apr 20 05:34:18 PDT 2007  Bertram Felgenhauer <int-e at gmx.de>
  * don't automatically include install-include: headers into compilations via C
  This way it's possible to install header files that are meant for preprocessing
  Haskell code, or header files that are meant to be indirectly included by
  others.

    M ./Distribution/Simple/GHC.hs -1 +1
    M ./Distribution/Simple/Register.hs -2 +1