change return value to size_t for countServerUp

diff --git a/pdns/dnsdist.hh b/pdns/dnsdist.hh
index c803657bde52078d87d8e9e5e99f6536798335a9..199b0ce054b7ea733da38447b433da8a6fd9fc40 100644 (file)
--- a/pdns/dnsdist.hh
+++ b/pdns/dnsdist.hh
@@ -647,7 +647,7 @@ struct ServerPool
   std::shared_ptr<DNSDistPacketCache> packetCache{nullptr};
   std::shared_ptr<ServerPolicy> policy{nullptr};
 
-  int countServersUp() {
+  const size_t countServersUp() {
     size_t upFound = 0;
     for (const auto& server : servers) {
       if (std::get<1>(server)->isUp() ) {