iwlwifi: mvm: rs: don't use shadowing variable

The variable 'tid' is already defined in this function, so use
just 't' for the new one. As we return from the function just
overwriting 'tid' would be acceptable, but less obvious to the
reader.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/mvm/rs.c

@@ -1110,10 +1110,11 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 
 	if (time_after(jiffies,
 		       (unsigned long)(lq_sta->last_tx + RS_IDLE_TIMEOUT))) {
-		int tid;
+		int t;
+
 		IWL_DEBUG_RATE(mvm, "Tx idle for too long. reinit rs\n");
-		for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++)
-			ieee80211_stop_tx_ba_session(sta, tid);
+		for (t = 0; t < IWL_MAX_TID_COUNT; t++)
+			ieee80211_stop_tx_ba_session(sta, t);
 
 		iwl_mvm_rs_rate_init(mvm, sta, info->band, false);
 		return;