more debug output

nonfree/controller/CentralDB.cpp

@@ -1583,7 +1583,7 @@ void CentralDB::onlineNotificationThread()
 				std::vector<std::string> osArchSplit = split(osArch, '/');
 				std::string os = "unknown";
 				std::string arch = "unknown";
-				std::string frontend = member["frontend"].get<std::string>();
+				std::string frontend = network["frontend"].get<std::string>();
 
 				int vMajor = OSUtils::jsonInt(member["vMajor"], 0);
 				int vMinor = OSUtils::jsonInt(member["vMinor"], 0);

nonfree/controller/PubSubWriter.cpp

@@ -246,6 +246,8 @@ pbmessages::MemberChange_Member* memberFromJson(const nlohmann::json& j)
 		return nullptr;
 	}
 
+	fprintf(stderr, "memberFromJSON: %s\n", j.dump().c_str());
+
 	pbmessages::MemberChange_Member* m = new pbmessages::MemberChange_Member();
 	try {
 		m->set_network_id(j.value("networkId", ""));