SLAPD_SCHEMA_NOT_COMPAT: Mostly work modify

servers/slapd/acl.c

servers/slapd/aclparse.c

servers/slapd/back-ldbm/compare.c

servers/slapd/back-ldbm/external.h

servers/slapd/back-ldbm/group.c

servers/slapd/back-ldbm/modify.c

servers/slapd/back-ldbm/modrdn.c

servers/slapd/backend.c

servers/slapd/modify.c

servers/slapd/oc.c

servers/slapd/proto-slap.h

servers/slapd/schema_check.c

servers/slapd/schema_prep.c

servers/slapd/slap.h

servers/slapd/slapd.conf

servers/slapd/value.c