Pod::Perldoc::ToNroff(3p) on OpenBSD

The text 37ba2744c536, as OpenBSD 5.3, OpenBSD 5.2, OpenBSD 5.1, OpenBSD 5.0 shipped it.

let Perldoc convert Pod to nroff

Pod::Perldoc::ToNroff(3p) on OpenBSD now