ath9k: Properly assign boolean types

This takes care that boolean types are properly assigned
Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/rc.c

@@ -1425,12 +1425,12 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
 		ath_rc_priv->neg_ht_rates.rs_nrates = j;
 	}
 
-	is_cw40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+	is_cw40 = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
 
 	if (is_cw40)
-		is_sgi = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
+		is_sgi = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40);
 	else if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20)
-		is_sgi = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
+		is_sgi = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20);
 
 	/* Choose rate table first */
 
@@ -1449,10 +1449,8 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
 	struct ath_rate_priv *ath_rc_priv = priv_sta;
 	const struct ath_rate_table *rate_table = NULL;
 	bool oper_cw40 = false, oper_sgi;
-	bool local_cw40 = (ath_rc_priv->ht_cap & WLAN_RC_40_FLAG) ?
-		true : false;
-	bool local_sgi = (ath_rc_priv->ht_cap & WLAN_RC_SGI_FLAG) ?
-		true : false;
+	bool local_cw40 = !!(ath_rc_priv->ht_cap & WLAN_RC_40_FLAG);
+	bool local_sgi = !!(ath_rc_priv->ht_cap & WLAN_RC_SGI_FLAG);
 
 	/* FIXME: Handle AP mode later when we support CWM */