lockdep: spin_lock_nest_lock(), checkpatch fixes

fix:

 WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable
 #46: FILE: kernel/spinlock.c:326:
 +EXPORT_SYMBOL(_spin_lock_nest_lock);

total: 0 errors, 1 warnings, 26 lines checked
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

kernel/spinlock.c

@@ -290,7 +290,6 @@ void __lockfunc _spin_lock_nested(spinlock_t *lock, int subclass)
 	spin_acquire(&lock->dep_map, subclass, 0, _RET_IP_);
 	LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
 }
-
 EXPORT_SYMBOL(_spin_lock_nested);
 
 unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, int subclass)
@@ -312,7 +311,6 @@ unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, int subclas
 #endif
 	return flags;
 }
-
 EXPORT_SYMBOL(_spin_lock_irqsave_nested);
 
 void __lockfunc _spin_lock_nest_lock(spinlock_t *lock,
@@ -322,7 +320,6 @@ void __lockfunc _spin_lock_nest_lock(spinlock_t *lock,
 	spin_acquire_nest(&lock->dep_map, 0, 0, nest_lock, _RET_IP_);
 	LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
 }
-
 EXPORT_SYMBOL(_spin_lock_nest_lock);
 
 #endif