Input: typo in device matching.

Too much cut-and-paste, noticed by Dmitry Torokhov <dtor_core@ameritech.net>

drivers/input/input.c

@@ -280,7 +280,7 @@ static struct input_device_id *input_match_device(struct input_device_id *id, st
 			if (id->id.product != dev->id.product)
 				continue;
 		
-		if (id->flags & INPUT_DEVICE_ID_MATCH_BUS)
+		if (id->flags & INPUT_DEVICE_ID_MATCH_VERSION)
 			if (id->id.version != dev->id.version)
 				continue;