patch applied (ghc): Replace _scc_'s in the GHC source with SCC pragmas

[Ian Lynagh]

Wed Aug 15 18:22:24 PDT 2007  Ian Lynagh <igloo at earth.li>
  * Replace _scc_'s in the GHC source with SCC pragmas

    M ./compiler/iface/MkIface.lhs -1 +1
    M ./compiler/simplCore/OccurAnal.lhs -4 +4
    M ./compiler/simplCore/SimplCore.lhs -15 +15
    M ./compiler/utils/Digraph.lhs -2 +2