spinbtn_filtering_log_length = gtk_spin_button_new
(GTK_ADJUSTMENT (spinbtn_filtering_log_length_adj), 1, 0);
gtk_widget_show (spinbtn_filtering_log_length);
spinbtn_filtering_log_length = gtk_spin_button_new
(GTK_ADJUSTMENT (spinbtn_filtering_log_length_adj), 1, 0);
gtk_widget_show (spinbtn_filtering_log_length);