patch applied (ghc): re-instate missing parts of "put the @N suffix on stdcall foreign calls in .cmm code"

[Simon Marlow]

Wed Oct 17 07:40:07 PDT 2007  Simon Marlow <simonmar at microsoft.com>
  * re-instate missing parts of "put the @N suffix on stdcall foreign calls in .cmm code"
  These changes were apparently lost during "massive changes to add a
  'zipper' representation of C-"

    M ./compiler/cmm/CmmParse.y -3 +17