patch applied (ghc): Use a real binary instead of scripts for ghc-inplace

[Simon Marlow]

Thu Jun 21 03:13:24 PDT 2007  Simon Marlow <simonmar at microsoft.com>
  * Use a real binary instead of scripts for ghc-inplace
  Fixes various problems with getting the scripts right on Windows.
  Binaries are universally executable by /bin/sh, cmd.exe and rawSystem,
  so this allows us to remove some platform-specific hacks.

    M ./compiler/Makefile -60 +13
    M ./mk/config.mk.in -7 +1
    M ./utils/ghc-pkg/Makefile -19 +21