sa-update uses deprecated method rdatastr
Index: sa-update.raw
--- sa-update.raw.orig
+++ sa-update.raw
@@ -1458,7 +1458,7 @@ sub do_dns_query {
       next if !$rr;  # no answer records, only rcode
       next if $rr->type ne $rr_type;
       # scalar context!
-      my $text = $rr->UNIVERSAL::can('txtdata') ? $rr->txtdata : $rr->rdatastr;
+      my $text = $rr->UNIVERSAL::can('txtdata') ? $rr->txtdata : $rr->rdstring;
       push(@result,$text)  if defined $text && $text ne '';
     }
     printf("DNS %s query: %s -> %s\n", $rr_type, $query, join(", ",@result))