From 793a77fc4484505645106547ee952dfd2e2d30a8 Mon Sep 17 00:00:00 2001
From: Lawrence Lee <45837045+Lawrence37@users.noreply.github.com>
Date: Sun, 6 Mar 2022 11:52:09 -0800
Subject: [PATCH] Add missing include

---
 rtgui/extprog.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rtgui/extprog.h b/rtgui/extprog.h
index 86dbc1674..cdcf14e48 100644
--- a/rtgui/extprog.h
+++ b/rtgui/extprog.h
@@ -20,6 +20,7 @@
 
 #include <vector>
 
+#include <glibmm/refptr.h>
 #include <glibmm/ustring.h>
 
 #include "threadutils.h"