WorkStruct: make allyesconfig

Fix up for make allyesconfig.

Signed-Off-By: David Howells <dhowells@redhat.com>
diff --git a/sound/aoa/aoa-gpio.h b/sound/aoa/aoa-gpio.h
index 3a61f31..ee64f5d 100644
--- a/sound/aoa/aoa-gpio.h
+++ b/sound/aoa/aoa-gpio.h
@@ -59,10 +59,10 @@
 };
 
 struct gpio_notification {
+	struct delayed_work work;
 	notify_func_t notify;
 	void *data;
 	void *gpio_private;
-	struct work_struct work;
 	struct mutex mutex;
 };