Fix java.lang.ArithmeticException: divide by zero in io.github.visnkmr.wirelessexplorer.expired$e.onClick

### Version 2.3A15i(45) ###


### Stacktrace ###


### Reason ###


java.lang.ArithmeticException: divide by zero


### Link to App Center ###


* [https://appcenter.ms/users/visnkmr/apps/Wireless-Explorer/crashes/errors/3970626534u](https://appcenter.ms/users/visnkmr/apps/Wireless-Explorer/crashes/errors/3970626534u)
