test fix for crash

source/ubl-settings-usergroups.c

@@ -1060,10 +1060,14 @@ void on_expiration_clicked(GtkWidget *self, ubl_settings_usergroups_user_window
 		} else {
 			yon_config_append(USERADD_SYNC_parameter,"boot",",");
 		}
+	} else {
+		if (!strcmp(config(USERADD_SYNC_parameter),"boot")){
+			yon_config_remove_by_key(USERADD_SYNC_parameter);	
 		} else {
 			yon_config_remove_element(USERADD_SYNC_parameter,"boot",",");
 		}
 	}
+ }
 
  void on_users_shutdown_toggled(GtkToggleButton *self){
 	if (gtk_toggle_button_get_active(self)){
@@ -1073,10 +1077,14 @@ void on_expiration_clicked(GtkWidget *self, ubl_settings_usergroups_user_window
 		} else {
 			yon_config_append(USERADD_SYNC_parameter,"shutdown",",");
 		}
+	} else {
+		if (!strcmp(config(USERADD_SYNC_parameter),"shutdown")){
+			yon_config_remove_by_key(USERADD_SYNC_parameter);	
 		} else {
 			yon_config_remove_element(USERADD_SYNC_parameter,"shutdown",",");
 		}
 	}
+ }
 
 ubl_settings_usergroups_additional_settings_window *yon_ubl_settings_usergroups_additional_settings_new(){
 	ubl_settings_usergroups_additional_settings_window *window = malloc(sizeof(ubl_settings_usergroups_additional_settings_window));