auth: Fix coverity warning in `pdnsutil show-zone`

(cherry picked from commit 0944e3fc8333686767678eadb80fb0236fdc5fba)

diff --git a/pdns/pdnsutil.cc b/pdns/pdnsutil.cc
index d194bd8e54188ad23d382642f4175cf62bca9c54..c62e1edc430f6811ef753ed61c022a456b1e4664 100644 (file)
--- a/pdns/pdnsutil.cc
+++ b/pdns/pdnsutil.cc
@@ -1581,7 +1581,7 @@ bool showZone(DNSSECKeeper& dk, const DNSName& zone)
     B.lookup(QType(QType::DNSKEY), zone);
     while(B.get(rr)) {
       if (rr.qtype != QType::DNSKEY) continue;
-      keys.push_back(*dynamic_cast<DNSKEYRecordContent*>(DNSKEYRecordContent::make(rr.getZoneRepresentation())));
+      keys.push_back(DNSKEYRecordContent(rr.getZoneRepresentation()));
     }
 
     if(keys.empty()) {