Update to 2.42

Upstream changes:
Changes in version 2.42
-----------------------

* Fix bug https://rt.cpan.org/Ticket/Display.html?id=88707

Changes in version 2.41
-----------------------

* Change INSTALLDIRS to site for perl >= 5.011.

  See https://rt.perl.org/rt3//Ticket/Display.html?id=116479
  for details.

(wen)