Update powerwall.sh

powerwall.sh

@@ -18,7 +18,7 @@ VERBOSE=false
 CHECKTEMP(){
 	[ "${1}" != "" ] && SENSORS=("${1}") || SENSORS=SENSOR_ID[@]
 	for x in "${!SENSOR_ID[@]}"; do printf "[%s]=%s\n" "$x" "${SENSOR_ID[$x]}" ; done
-	for x in "${!SENSORS[@]}"; do printf "[%s]=%s\n" "$x" "${SENSORS[$x]}" ; done
+	for x in "${!SENSORS}"; do printf "[%s]=%s\n" "$x" "${SENSORS[$x]}" ; done
 
 	for SENSOR in ${!SENSORS}; do
 		echo "HERE: ${SENSORS[${SENSOR}]}"