Added byte order tag to cache file name (see #72862)

https://rt.cpan.org/Ticket/Display.html?id=72862
Merge pull request #1 from bingos/master

Resolving two issues on NetBSD, compiles on NetBSD again.
Upstream OpenBSD ports patch that fixes build

Source:
http://www.openbsd.org/cgi-bin/cvsweb/ports/sysutils/p5-Proc-ProcessTable/patches/patch-os_OpenBSD_c