add WINIX_SAVE_FILELOG plugin message

winixd/core/app.cpp

@@ -70,6 +70,7 @@ App::App()
 
 	file_log.set_synchro(&synchro);
 	file_log.set_time_zones(&system.time_zones);
+	// 	file_log.set_plugin(...) is called later, when a plugin object is initialized
 
 	log.set_log_buffer(&log_buffer);
 	log.set_file_log(&file_log);
@@ -116,6 +117,9 @@ App::App()
 	plugin.SetSessionManager(&session_manager);
 	plugin.SetWinixRequest(&winix_request);
 
+	// now we can set the plugin in the file_log
+	file_log.set_plugin(&plugin);
+
 	functions.set_dependency(&winix_request);
 //	functions.set_config(&config);
 //	functions.set_file_log(&file_log);