WorkStruct: make allyesconfig

Fix up for make allyesconfig.

Signed-Off-By: David Howells <dhowells@redhat.com>
diff --git a/drivers/net/wireless/hostap/hostap.h b/drivers/net/wireless/hostap/hostap.h
index e663518..e89c890 100644
--- a/drivers/net/wireless/hostap/hostap.h
+++ b/drivers/net/wireless/hostap/hostap.h
@@ -35,7 +35,7 @@
 struct net_device_stats *hostap_get_stats(struct net_device *dev);
 void hostap_setup_dev(struct net_device *dev, local_info_t *local,
 		      int main_dev);
-void hostap_set_multicast_list_queue(void *data);
+void hostap_set_multicast_list_queue(struct work_struct *work);
 int hostap_set_hostapd(local_info_t *local, int val, int rtnl_locked);
 int hostap_set_hostapd_sta(local_info_t *local, int val, int rtnl_locked);
 void hostap_cleanup(local_info_t *local);