slapo-pcache(5) on macOS

The text d2b9a85228c2, as Mac OS X 10.6.8, Mac OS X 10.6.7, Mac OS X 10.6.6, Mac OS X 10.6.5, Mac OS X 10.6.4, Mac OS X 10.6.3, Mac OS X 10.6.2, Mac OS X 10.6.1, Mac OS X 10.6 shipped it.

proxycache overlay to slapd

slapo-pcache(5) on macOS now