rec: Initialize the result var before calling the preoutquery hook

If the `preoutquery` hook was defined but didn't handle the query,
the resulting variable was left uninitialized.

(cherry picked from commit 17cecc84cc0e9f7b1dc9991e2568d1f8f4fc2b08)

diff --git a/pdns/syncres.cc b/pdns/syncres.cc
index 3738396ae25ae14bc3b2f52c95b6ef8952c3529b..2b4e12028ff9e94399488ebcaf2437de90956914 100644 (file)
--- a/pdns/syncres.cc
+++ b/pdns/syncres.cc
@@ -2330,7 +2330,7 @@ bool SyncRes::processRecords(const std::string& prefix, const DNSName& qname, co
 
 bool SyncRes::doResolveAtThisIP(const std::string& prefix, const DNSName& qname, const QType& qtype, LWResult& lwr, boost::optional<Netmask>& ednsmask, const DNSName& auth, bool const sendRDQuery, const DNSName& nsName, const ComboAddress& remoteIP, bool doTCP, bool* truncated)
 {
-  int resolveret;
+  int resolveret = RCode::NoError;
   s_outqueries++;
   d_outqueries++;