3 bugs: off by one in dump offset calculation,  when to print what is left, and what to print.  Fixes PR#1182
3 bugs: off by one in dump offset calculation,
 when to print what is left, and what to print.  Fixes PR#1182

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars