Add GDSOFTCLASS to six inheritors of Object

platform/linuxbsd/freedesktop_portal_desktop.h

@@ -41,6 +41,8 @@ struct DBusConnection;
 struct DBusMessageIter;
 
 class FreeDesktopPortalDesktop : public Object {
+	GDSOFTCLASS(FreeDesktopPortalDesktop, Object);
+
 private:
 	bool unsupported = false;
 

platform/linuxbsd/tts_linux.h

@@ -45,6 +45,7 @@
 #endif
 
 class TTS_Linux : public Object {
+	GDSOFTCLASS(TTS_Linux, Object);
 	_THREAD_SAFE_CLASS_
 
 	List<DisplayServer::TTSUtterance> queue;