rpz/testlib/test-data.c compilation fails on OpenBSD

Job #3280270 failed for cc8b9c1f on OpenBSD after !7693 (merged) integration.

test-data.c:399:15: error: use of undeclared identifier 'ns_c_in'
        nrec.class = ns_c_in;
                     ^
test-data.c:414:15: error: use of undeclared identifier 'ns_t_a'
                nrec.type = ns_t_a;
                            ^
test-data.c:435:15: error: use of undeclared identifier 'ns_t_aaaa'
                nrec.type = ns_t_aaaa;
                            ^
test-data.c:446:15: error: use of undeclared identifier 'ns_t_txt'
                nrec.type = ns_t_txt;
                            ^
test-data.c:460:15: error: use of undeclared identifier 'ns_t_cname'
                nrec.type = ns_t_cname;
                            ^
test-data.c:475:15: error: use of undeclared identifier 'ns_t_dname'
                nrec.type = ns_t_dname;
                            ^
6 errors generated.
dummylib.c:2133:26: error: use of undeclared identifier 'ns_t_cname'
                            (this_rr->type == ns_t_cname) &&
                                              ^
dummylib.c:2209:13: error: use of undeclared identifier 'ns_t_invalid'
                        *typep = ns_t_invalid;
                                 ^
2 errors generated.
Errors while building