From cd63759534c693aa6c46d6073c089eaedc76d5d6 Mon Sep 17 00:00:00 2001
From: Matthias Melcher <github@matthiasm.com>
Date: Fri, 26 Jun 2026 18:25:59 +0200
Subject: [PATCH] Forgotten #include

---
 test/penpal.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/test/penpal.cxx b/test/penpal.cxx
index 1ecfb67cf..8e56305c8 100644
--- a/test/penpal.cxx
+++ b/test/penpal.cxx
@@ -37,6 +37,8 @@
 #include <FL/Fl_Image_Surface.H>
 #include <FL/names.h>
 
+#include <memory>
+
 extern Fl_Menu_Item app_menu[];
 extern int popup_app_menu();
 Fl_Widget *cv1 { nullptr };