ldap_sort(3) on macOS

The text 49bfe261e877, as Mac OS X 10.7.5, Mac OS X 10.7.4, Mac OS X 10.7.3, Mac OS X 10.7.2, Mac OS X 10.7.1, Mac OS X 10.7 shipped it.

LDAP sorting routines (deprecated)

ldap_sort(3) on macOS now