WorkStruct: make allyesconfig

Fix up for make allyesconfig.

Signed-Off-By: David Howells <dhowells@redhat.com>
diff --git a/include/sound/ak4114.h b/include/sound/ak4114.h
index 11702aa..2ee0616 100644
--- a/include/sound/ak4114.h
+++ b/include/sound/ak4114.h
@@ -182,7 +182,7 @@
 	unsigned char rcs0;
 	unsigned char rcs1;
 	struct workqueue_struct *workqueue;
-	struct work_struct work;
+	struct delayed_work work;
 	void *change_callback_private;
 	void (*change_callback)(struct ak4114 *ak4114, unsigned char c0, unsigned char c1);
 };