dns: Fix a clang-tidy warning

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>

diff --git a/pdns/dns.cc b/pdns/dns.cc
index ed17a5f8e6ebe157905cf32bee5c5ba4f995c136..768a126fa6431a1450f808d5ac9ce34cdab9efe4 100644 (file)
--- a/pdns/dns.cc
+++ b/pdns/dns.cc
@@ -88,7 +88,7 @@ std::string RCode::to_short_s(uint8_t rcode) {
 
 std::optional<uint8_t> RCode::from_short(const std::string_view& rcode_string)
 {
-  auto position = std::find(rcodes_short_s.begin(), rcodes_short_s.end(), rcode_string);
+  const auto* position = std::find(rcodes_short_s.begin(), rcodes_short_s.end(), rcode_string);
   if (position == rcodes_short_s.end()) {
     return std::nullopt;
   }