cw1200: read beyond end of array in debug code

This has only one caller and rates[] is an array with
IEEE80211_TX_MAX_RATES (4) elements.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/cw1200/txrx.c b/drivers/net/wireless/cw1200/txrx.c
index 0e40890..a254747 100644
--- a/drivers/net/wireless/cw1200/txrx.c
+++ b/drivers/net/wireless/cw1200/txrx.c
@@ -190,13 +190,12 @@
 		policy->retry_count += retries;
 	}
 
-	pr_debug("[TX policy] Policy (%zu): %d:%d, %d:%d, %d:%d, %d:%d, %d:%d\n",
+	pr_debug("[TX policy] Policy (%zu): %d:%d, %d:%d, %d:%d, %d:%d\n",
 		 count,
 		 rates[0].idx, rates[0].count,
 		 rates[1].idx, rates[1].count,
 		 rates[2].idx, rates[2].count,
-		 rates[3].idx, rates[3].count,
-		 rates[4].idx, rates[4].count);
+		 rates[3].idx, rates[3].count);
 }
 
 static inline bool tx_policy_is_equal(const struct tx_policy *wanted,