mutex: Avoid label warning when !CONFIG_MUTEX_SPIN_ON_OWNER
mutex: Avoid label warning when !CONFIG_MUTEX_SPIN_ON_OWNER

Fengguang reported the following warning when optimistic
spinning is disabled (ie: make allnoconfig):

   kernel/mutex.c:599:1: warning: label 'done' defined but not used

Remove the 'done' label altogether.

Reported-by: Fengguang Wu <24f7fe9d205c8a9f6ade0c2894e14303ca16087f@intel.com>
Signed-off-by: Davidlohr Bueso <d7ca2ed3e31360a26e5e60317ed1b792bd41becb@hp.com>
Signed-off-by: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs