dnsdist: Fix a clang-tidy warning with opcodes

diff --git a/pdns/dnscrypt.cc b/pdns/dnscrypt.cc
index 192dcfad1802d652476402fe30ee382a692b3b4b..372329bdfcc03d2a2dda8af25c780c34a8f50bef 100644 (file)
--- a/pdns/dnscrypt.cc
+++ b/pdns/dnscrypt.cc
@@ -400,7 +400,7 @@ bool DNSCryptQuery::parsePlaintextQuery(const PacketBuffer& packet)
   }
 
   const dnsheader_aligned dh(packet.data());
-  if (dh->qr || ntohs(dh->qdcount) != 1 || dh->ancount != 0 || dh->nscount != 0 || dh->opcode != Opcode::Query) {
+  if (dh->qr || ntohs(dh->qdcount) != 1 || dh->ancount != 0 || dh->nscount != 0 || static_cast<uint8_t>(dh->opcode) != Opcode::Query) {
     return false;
   }