linux-wandboard

Fix rpc shutdown event condition bug

We want to wait for the cl_users to go down to zero, not for it to stay
positive.  Quoth Trond (who wasn't even the author, but acked the wrong
version): "Argh! I need to increase my daily caffeine dosages."

Signed-off-by: Linus Torvalds <torvalds@osdl.org>