Fixed unsensitive buttons

source/ubinstall-gtk.c

@@ -477,6 +477,7 @@ void on_page_changed(GtkWidget *,GtkWidget *,int page, main_window *widgets){
 void *on_setup_system_configuration(void *data);
 void *on_setup_system_configuration(void * data){
     main_window *widgets = (main_window*)data;
+    if (widgets){};
     int size;
     config_str all_parameters = yon_config_get_selection_by_key(&size,
     user_gecos_parameter,