MOTD: fix error when traffic info is enabled

packages/bsp/common/etc/update-motd.d/30-armbian-sysinfo

@@ -172,24 +172,24 @@ display "Battery" "$battery_percent" "20" "1" "%" "$status_battery_text" ; a=$((
 
 line=0
 if [[ -n "$PRIMARY_INTERFACE" ]] && vnstat -i "$PRIMARY_INTERFACE" &> /dev/null; then
- traffic=$(vnstat -i $PRIMARY_INTERFACE --oneline | cut -d";" -f4,5)
- traffic_rx=$(echo $traffic | cut -d";" -f1,1 | sed -r 's/([0-9]+\.[0-9]{1})[0-9]*/\1/' | cut -d" " -f1 | cut -d"," -f1)
+ traffic=$(LC_ALL=C vnstat -i $PRIMARY_INTERFACE --oneline | cut -d";" -f4,5)
+ traffic_rx=$(echo $traffic | cut -d";" -f1,1 | sed -r 's/([0-9]+\.[0-9]{1})[0-9]*/\1/' | cut -d" " -f1 | cut -d"." -f1)
  traffic_rx_unit=$(echo $traffic | cut -d";" -f1,1 | sed -r 's/([0-9]+\.[0-9]{1})[0-9]*/\1/' | cut -d" " -f2)
- traffic_tx=$(echo $traffic | cut -d";" -f2,2 | sed -r 's/([0-9]+\.[0-9]{1})[0-9]*/\1/' | cut -d" " -f1 | cut -d"," -f1)
+ traffic_tx=$(echo $traffic | cut -d";" -f2,2 | sed -r 's/([0-9]+\.[0-9]{1})[0-9]*/\1/' | cut -d" " -f1 | cut -d"." -f1)
  traffic_tx_unit=$(echo $traffic | cut -d";" -f2,2 | sed -r 's/([0-9]+\.[0-9]{1})[0-9]*/\1/' | cut -d" " -f2)
  [[ "$traffic" == *"Not enough"* ]] && { traffic_tx="n/a "; traffic_rx="n/a "; }
  case $PRIMARY_DIRECTION in
  tx)
- display " TX today" "$traffic_tx" 500 0 " $traffic_tx_unit" ""
+ display " TX today" "$traffic_tx" 500 0 "" "$traffic_tx_unit" ""
  line=$((line+1))
  ;;
  rx)
- display " RX today" "$traffic_rx" 500 0 " $traffic_rx_unit" ""
+ display " RX today" "$traffic_rx" 500 0 "" "$traffic_rx_unit" ""
  line=$((line+1))
  ;;
  both)
- display " TX today" "$traffic_tx" 500 0 " $traffic_tx_unit" ""
- display "RX today" "$traffic_rx" 500 0 " $traffic_rx_unit" ""
+ display " TX today" "$traffic_tx" 500 0 "" "$traffic_tx_unit" ""
+ display "RX today" "$traffic_rx" 500 0 "" "$traffic_rx_unit" ""
  line=$((line+1))
  ;;
  *) #off or whatever