patch applied (ghc-6.12/ghc): Add missing import sm_mutex, which fixes the -fvia-c build

[Ian Lynagh]

Mon Feb  1 21:14:51 PST 2010  benl at cse.unsw.edu.au
  * Add missing import sm_mutex, which fixes the -fvia-c build

    M ./rts/PrimOps.cmm +1

View patch online:
http://darcs.haskell.org/ghc-6.12/ghc/_darcs/patches/20100202051451-578ee-7e92560040552bc1a732862b36d40eecb925c7da.gz