patch applied (ghc): Monadify stgSyn/CoreToStg

[Ian Lynagh]

Thu Jan 17 12:26:19 PST 2008  Twan van Laarhoven <twanvl at gmail.com>
  * Monadify stgSyn/CoreToStg
   - made LneM a newtype instead of a type synonym
   - use do, return and standard monad functions
   - removed custom versions of monad functions

    M ./compiler/stgSyn/CoreToStg.lhs -158 +134