Build named with DLZ is broken on 9.17

configure.ac disables DLZ:

# FIXME BEGIN
#sinclude(contrib/dlz/config.dlz.in)
# AC_MSG_CHECKING(contributed DLZ drivers)
#
# if test -n "$CONTRIB_DLZ"
# then
#       AC_MSG_RESULT(yes)
#       DLZ_DRIVER_RULES=contrib/dlz/drivers/rules
#       AC_CONFIG_FILES([$DLZ_DRIVER_RULES
#               contrib/dlz/modules/mysql/Makefile
#               contrib/dlz/modules/mysqldyn/Makefile])
# else
#       AC_MSG_RESULT(no)
#       DLZ_DRIVER_RULES=/dev/null
# fi
#
# AC_SUBST(CONTRIB_DLZ)
# AC_SUBST(DLZ_DRIVER_INCLUDES)
# AC_SUBST(DLZ_DRIVER_LIBS)
# AC_SUBST(DLZ_DRIVER_SRCS)
# AC_SUBST(DLZ_DRIVER_OBJS)
# AC_SUBST(DLZ_SYSTEM_TEST)
# AC_SUBST_FILE(DLZ_DRIVER_RULES)
# this ensures the configure summary report comes out right
test -z "$with_dlz_bdb" && with_dlz_bdb=no
test -z "$with_dlz_ldap" && with_dlz_ldap=no
test -z "$with_dlz_mysql" && with_dlz_mysql=no
test -z "$with_dlz_odbc" && with_dlz_odbc=no
test -z "$with_dlz_postgres" && with_dlz_postgres=no
test -z "$with_dlz_filesystem" && with_dlz_filesystem=no
test -z "$with_dlz_stub" && with_dlz_stub=no
# FIXME END