Fixed date format

source/ubl-settings-usergroups.c

@@ -1624,7 +1624,11 @@ void on_user_save(GtkWidget *self, dictionary *dict){
 		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);
+		char *day = yon_char_from_int(tm.tm_mday);
+		if (strlen(day)==1){
+			day=yon_char_append("0",day);
+		}
+		password_changed_date = yon_char_unite(yon_char_from_int(1900+tm.tm_year),"-",month,"-",day,NULL);
 	}
 
 	int useradd_boot_active = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(window->UseraddBootCheck));