patch applied (ghc): Use System.FilePath

[Ian Lynagh]

Sat Jan 12 07:44:59 PST 2008  Ian Lynagh <igloo at earth.li>
  * Use System.FilePath

    M ./compiler/ghci/InteractiveUI.hs -1 +1
    M ./compiler/ghci/Linker.lhs -9 +10
    M ./compiler/iface/MkIface.lhs -1 +2
    M ./compiler/main/CodeOutput.lhs -1 +2
    M ./compiler/main/DriverMkDepend.hs -3 +4
    M ./compiler/main/DriverPhases.hs -10 +11
    M ./compiler/main/DriverPipeline.hs -66 +71
    M ./compiler/main/DynFlags.hs -23 +20
    M ./compiler/main/Finder.lhs -35 +41
    M ./compiler/main/GHC.hs -4 +6
    M ./compiler/main/Main.hs -1 +2
    M ./compiler/main/Packages.lhs -5 +6
    M ./compiler/main/SysTools.lhs -17 +21
    M ./compiler/utils/Util.lhs -113 +11