Update powerwall.sh

powerwall.sh

@@ -653,7 +653,7 @@ TEST(){
 		# echo "- ${temptotal} + ${temp}"
 	done  < <(${mysql_conn} -se "USE servermonitor; SELECT date,sensorid,temp,hum from sensor_data WHERE sensorid=2 AND date BETWEEN 
         DATE_SUB(DATE(NOW()), INTERVAL ${daysback} DAY) AND NOW() ORDER BY id DESC;")
-		((${logsfound}++))
+		((logsfound++))
 	average=$(bc <<< "scale=2; ${temptotal}/${logsfound}")
 	
 	echo "Average: ${average}"