PIIODevice registration dramatically optimization

libs/main/cloud/picloudserver.h

@@ -32,14 +32,14 @@
 
 class PIP_CLOUD_EXPORT PICloudServer: public PIIODevice, public PICloudBase
 {
-	PIIODEVICE(PICloudServer)
+	PIIODEVICE(PICloudServer, "")
 public:
 	//! PICloudServer
 	explicit PICloudServer(const PIString & path = PIString(), PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
 	virtual ~PICloudServer();
 
 	class Client : public PIIODevice {
-		PIIODEVICE(PICloudServer::Client)
+		PIIODEVICE(PICloudServer::Client, "")
 		friend class PICloudServer;
 	public:
 		Client(PICloudServer * srv = nullptr, uint id = 0);