staging: ks7010: avoid if-else condition in ks_wlan_get_power

The if-else code in ks_wlan_get_power function is not needed
at all and can be achieved with a simple boolean assignation.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/ks_wlan_net.c

@@ -1064,10 +1064,7 @@ static int ks_wlan_get_power(struct net_device *dev,
 	if (priv->sleep_mode == SLP_SLEEP)
 		return -EPERM;
 	/* for SLEEP MODE */
-	if (priv->reg.power_mgmt > 0)
-		vwrq->power.disabled = 0;
-	else
-		vwrq->power.disabled = 1;
+	vwrq->power.disabled = (priv->reg.power_mgmt <= 0);
 
 	return 0;
 }