Test fix for crash at USERADD_SYNC editing

source/ubl-settings-usergroups.c

@@ -1053,36 +1053,41 @@ void on_expiration_clicked(GtkWidget *self, ubl_settings_usergroups_user_window
  }
 
  void on_users_boot_toggled(GtkToggleButton *self){
-	if (gtk_toggle_button_get_active(self)){
 		char *parameter = yon_config_get_by_key(USERADD_SYNC_parameter);
+	if (gtk_toggle_button_get_active(self)){
 		if (!parameter){
 			yon_config_register(USERADD_SYNC_parameter,USERADD_SYNC_parameter_command,"boot");
 		} else {
-			yon_config_append(USERADD_SYNC_parameter,"boot",",");
+			char *new_str = yon_char_append(parameter,",boot");
+			yon_config_set(USERADD_SYNC_parameter,new_str);
+			free(parameter);
 		}
 	} 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",",");
-		}
+		char *new_str = yon_char_replace(parameter,"boot","");
+		char *feasf = yon_char_replace(new_str,",","");
+		free(new_str);
+		yon_config_set(USERADD_SYNC_parameter,feasf);
+
 	}
+
  }
 
  void on_users_shutdown_toggled(GtkToggleButton *self){
-	if (gtk_toggle_button_get_active(self)){
 		char *parameter = yon_config_get_by_key(USERADD_SYNC_parameter);
+	if (gtk_toggle_button_get_active(self)){
 		if (!parameter){
 			yon_config_register(USERADD_SYNC_parameter,USERADD_SYNC_parameter_command,"shutdown");
 		} else {
-			yon_config_append(USERADD_SYNC_parameter,"shutdown",",");
+			char *new_str = yon_char_append(parameter,",shutdown");
+			yon_config_set(USERADD_SYNC_parameter,new_str);
+			free(parameter);
 		}
 	} 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",",");
-		}
+		char *new_str = yon_char_replace(parameter,"shutdown","");
+		char *feasf = yon_char_replace(new_str,",","");
+		free(new_str);
+		yon_config_set(USERADD_SYNC_parameter,feasf);
+
 	}
  }