I think line#79 (in jump.cgi):
$goto = $CFG->{build_detail_url} . '/' . $id . $CFG->{build_index};
should be changed to:
$goto = $CFG->{build_detail_url} . '/' . $id . $CFG->{build_extension};
$goto = $CFG->{build_detail_url} . '/' . $id . $CFG->{build_index};
should be changed to:
$goto = $CFG->{build_detail_url} . '/' . $id . $CFG->{build_extension};