From 689910ab0acabe27e1629fd3adcc3ec3513d6cff Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Sat, 1 Aug 2020 15:57:44 +0100
Subject: [PATCH] Add missing include.

---
 common/settings/json_settings.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/common/settings/json_settings.cpp b/common/settings/json_settings.cpp
index f7d378751f..dab3aa1b53 100644
--- a/common/settings/json_settings.cpp
+++ b/common/settings/json_settings.cpp
@@ -22,6 +22,7 @@
 #include <fstream>
 #include <iomanip>
 #include <utility>
+#include <sstream>
 
 #include <common.h>
 #include <gal/color4d.h>