Test sync for log window and progress bar

source/ubinstall-gtk.c

@@ -619,7 +619,8 @@ gboolean yon_installation_progress_update(void *data){
     main_window *widgets = (main_window*)data;
     while (gtk_events_pending()) gtk_main_iteration();
     int size;
-    while (main_config.log_progress_buzy){};
+    while (main_config.log_progress_buzy){
+    while (gtk_events_pending()) gtk_main_iteration();};
     main_config.log_progress_buzy=1;
     config_str text = yon_file_open(progress_path,&size);
     main_config.log_progress_buzy=0;