Fix parsing of LDAP search scope properties

I somehow failed to miss that these can't actually be accessed by
the configuration parser, unless the enum type was public.  Make
it public, so the parser can read it.

Change-Id: I582517c73ca69e509da59b346bd4274e9d3ca7dd
Signed-off-by: Shawn O. Pearce <sop@google.com>
3 files changed