[cvs-nhc98] patch applied (nhc98): cope with ghc-pkg output under Windows ($topdir is new)

[Malcolm Wallace]

Mon Aug 21 08:31:26 PDT 2006  Malcolm.Wallace at cs.york.ac.uk
  * cope with ghc-pkg output under Windows ($topdir is new)

    M ./src/hmake/PackageConfig.hs -1 +3