Fixed date format

source/ubl-settings-usergroups.c

@@ -1620,7 +1620,11 @@ void on_user_save(GtkWidget *self, dictionary *dict){
 	if (!window->old_password||window->old_password&&strcmp(window->old_password,password)){
 		time_t t = time(NULL);
 		struct tm tm = *localtime(&t);
-		password_changed_date = yon_char_unite(yon_char_from_int(1900+tm.tm_year),"-",yon_char_from_int(tm.tm_mon+1),"-",yon_char_from_int(tm.tm_mday),NULL);
+		char *month = yon_char_from_int(tm.tm_mon+1);
+		if (strlen(month)==1){
+			month=yon_char_append("0",month);
+		}
+		password_changed_date = yon_char_unite(yon_char_from_int(1900+tm.tm_year),"-",month,"-",yon_char_from_int(tm.tm_mday),NULL);
 	}
 
 	int useradd_boot_active = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(window->UseraddBootCheck));