rndis_host: allow rndis_wlan to see all indications

Allow rndis_wlan to see all indications. Currently rndis_host lets rndis_wlan to
know about link state changes only, but there is whole set of other
802.11-specific indications that rndis_wlan should handle properly. So rename
link_change() to indication() and convert rndis_wlan to use it.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index c642f78..de8b4b1 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -122,9 +122,8 @@
 	 * right after minidriver have initialized hardware. */
 	int	(*early_init)(struct usbnet *dev);
 
-	/* called by minidriver when link state changes, state: 0=disconnect,
-	 * 1=connect */
-	void	(*link_change)(struct usbnet *dev, int state);
+	/* called by minidriver when receiving indication */
+	void	(*indication)(struct usbnet *dev, void *ind, int indlen);
 
 	/* for new devices, use the descriptor-reading code instead */
 	int		in;		/* rx endpoint */