lockdep: Make print_lock() address visible

Security is a wonderful thing, but so is the ability to debug based on
lockdep warnings.  This commit therefore makes lockdep lock addresses
visible in the clear.
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>

kernel/locking/lockdep.c

@@ -620,7 +620,7 @@ static void print_lock(struct held_lock *hlock)
 		return;
 	}
 
-	printk(KERN_CONT "%p", hlock->instance);
+	printk(KERN_CONT "%px", hlock->instance);
 	print_lock_name(lock);
 	printk(KERN_CONT ", at: %pS\n", (void *)hlock->acquire_ip);
 }