From a8f65f5327311daa7c7f4142020c06fd9fb32a56 Mon Sep 17 00:00:00 2001
From: Jean Pierre Cimalando <jp-dev@inbox.ru>
Date: Fri, 12 Mar 2021 17:31:05 +0100
Subject: [PATCH] Fix the build of PlotLFO demo

---
 demos/PlotLFO.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/demos/PlotLFO.cpp b/demos/PlotLFO.cpp
index 57e94f51..af8cabff 100644
--- a/demos/PlotLFO.cpp
+++ b/demos/PlotLFO.cpp
@@ -24,6 +24,7 @@
 #include <absl/types/span.h>
 #include <vector>
 #include <iostream>
+#include <fstream>
 #include <cmath>
 #ifdef _WIN32
 #define ENABLE_SNDFILE_WINDOWS_PROTOTYPES 1