mac80211: selective throughput LED trigger active

The throughput LED trigger was always active when
the radio was enabled. In most cases that's likely
the desired behaviour, but iwlwifi requires it to
be only active when one of the virtual interfaces
is actually "connected" in some way.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 523b90b..3810c72 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -637,9 +637,10 @@
 	const struct ieee80211_tpt_blink *blink_table;
 	unsigned int blink_table_len;
 	struct timer_list timer;
-	bool running;
 	unsigned long prev_traffic;
 	unsigned long tx_bytes, rx_bytes;
+	unsigned int active, want;
+	bool running;
 };
 
 /**