Ondřej Kuzník authored 3 years ago and Quanah Gibson-Mount committed 3 years ago

This was removed in ITS#5540 since there was no EQUALITY matching rule,
but that situation changed in ITS#8341 and we need to add it back.

LDAP_FEATURE_SUBORDINATE_SCOPE is from expired draft-sermersheim-ldap-subordinate-scope, leave behind LDAP_DEVEL

rework slap_client_connect() and slap_discover_feature() accordingly

Note: this breaks LDAP_COMP_MATCH and SLAP_ZONE_MALLOC. But they
were probably broken already anyway.

For ITS#4651