fix(master : nicsensor)修正 parse_nic_slot无法识别两位数槽位号的问题

nicsensor.sh

@@ -252,10 +252,10 @@ parse_nic_slot(){
     esac
 
     if [ $nic_type = "ocp" ];then
-        slot_number=$(echo $nic_slot | cut -c 4)
+        slot_number=$(echo $nic_slot | cut -b 4-)
     else
         if [ $fullname -eq 1 ];then
-            slot_number=$(echo $nic_slot | cut -c 5)
+            slot_number=$(echo $nic_slot | cut -b 5-)
         else
             slot_number=$nic_slot
         fi