gtk_file_filter_add_pattern (filter, "*.sps");
gtk_file_filter_add_pattern (filter, "*.SPS");
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, _("System Files (*.sav)"));
gtk_file_filter_add_pattern (filter, "*.sps");
gtk_file_filter_add_pattern (filter, "*.SPS");
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, _("System Files (*.sav)"));