patch applied (ghc): use StgWord for the lock (fixes valgrind complaint on 64-bit machines)

[Simon Marlow]

Thu May 14 07:55:24 PDT 2009  Simon Marlow <marlowsd at gmail.com>
  * use StgWord for the lock (fixes valgrind complaint on 64-bit machines)
  Ignore-this: 23100384044c7ecf26e7e552582bcccd

    M ./includes/SpinLock.h -1 +1

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20090514145524-12142-a24289f9b62996df857fbd9470a8d2a2fe53aa36.gz