fix spufs build after ->fault changes

fix spufs build after ->fault changes

83c54070ee1a2d05c89793884bea1a03f2851ed4 broke spufs by incorrectly
updating the code, this patch gets it to compile again.

It's probably still broken due to the scheduler changes, but this
at least makes sure cell kernels can still be built.

Signed-off-by: Christoph Hellwig <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Acked-by: Geoff Levand <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Nick Piggin <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>