patch applied (ghc): put the @N suffix on stdcall foreign calls in .cmm code

[Simon Marlow]

Tue Sep  4 07:28:53 PDT 2007  Simon Marlow <simonmar at microsoft.com>
  * put the @N suffix on stdcall foreign calls in .cmm code
  This applies to EnterCriticalSection and LeaveCriticalSection in the RTS

    M ./compiler/cmm/CLabel.hs +7
    M ./compiler/cmm/CmmParse.y -5 +19
    M ./rts/HeapStackCheck.cmm +2
    M ./rts/PrimOps.cmm +2
    M ./rts/StgMiscClosures.cmm +2