Sync with HEAD

clients/tools/ldapmodify.c

doc/devel/args

doc/man/man1/ldapmodify.1

libraries/libldap/cache.c

libraries/libldap/compare.c

libraries/libldap/controls.c

libraries/libldap/cyrus.c

libraries/libldap/dnssrv.c

libraries/libldap/getentry.c

libraries/libldap/ldap-int.h

libraries/libldap/messages.c

libraries/libldap/references.c

servers/slapd/back-bdb/add.c

servers/slapd/back-bdb/attribute.c

servers/slapd/back-bdb/back-bdb.h

servers/slapd/back-bdb/bind.c

servers/slapd/back-bdb/cache.c

servers/slapd/back-bdb/compare.c

servers/slapd/back-bdb/delete.c

servers/slapd/back-bdb/dn2entry.c