try to fix cloud again

libs/cloud/picloudserver.cpp

@@ -55,7 +55,7 @@ PICloudServer::PICloudServer(const PIString & path, PIIODevice::DeviceMode mode)
 		open_mutex.unlock();
 		ping_timer.stop();
 	});
-	CONNECTL(&ping_timer, tickEvent, [this](void *, int) {
+	ping_timer.setSlot([this]() {
 		if (eth.isConnected()) tcp.sendPing();
 	});
 }

libs/main/cloud/picloudserver.h

@@ -89,7 +89,7 @@ private:
 	PIVector<Client *> clients_;
 	PIVector<Client *> removed_clients_;
 	PIMap<uint, Client *> index_clients;
-	PITimer ping_timer;
+	PIThread ping_timer;
 	PIConditionVariable cvar;
 	PIMutex open_mutex;
 	mutable PIMutex clients_mutex;