Fix typo in metric name

controller/DB.cpp

@@ -196,7 +196,7 @@ bool DB::get(const uint64_t networkId,nlohmann::json &network,std::vector<nlohma
 void DB::networks(std::set<uint64_t> &networks)
 {
 	waitForReady();
-	Metrics::db_get_member_list++;
+	Metrics::db_get_network_list++;
 	std::shared_lock<std::shared_mutex> l(_networks_l);
 	for(auto n=_networks.begin();n!=_networks.end();++n)
 		networks.insert(n->first);