patch applied (ghc): Remove some CPPery with the help of a new value isWindowsHost in Util

[Ian Lynagh]

Wed Jun 11 17:27:11 PDT 2008  Ian Lynagh <igloo at earth.li>
  * Remove some CPPery with the help of a new value isWindowsHost in Util
  isWindowsHost is True iff mingw32_HOST_OS is defined.

    M ./compiler/main/SysTools.lhs -54 +48
    M ./compiler/utils/Util.lhs -2 +9

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20080612002711-3fd76-22e54db316b4c39db4a7f184b8e95b6c34fea038.gz