From 41266df7ae51f179f4a80f67a2eba896ba1fd7b2 Mon Sep 17 00:00:00 2001
From: Albrecht Schlosser <albrechts.fltk@online.de>
Date: Sat, 20 Mar 2021 21:39:28 +0100
Subject: Remove unnecessary system includes from public headers

Add includes of system headers in the implementation files
where necessary.
---
 src/Fl_Graphics_Driver.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/Fl_Graphics_Driver.cxx')

diff --git a/src/Fl_Graphics_Driver.cxx b/src/Fl_Graphics_Driver.cxx
index 5386d5290..3ac4d3154 100644
--- a/src/Fl_Graphics_Driver.cxx
+++ b/src/Fl_Graphics_Driver.cxx
@@ -1,7 +1,7 @@
 //
 // Fl_Graphics_Driver class for the Fast Light Tool Kit (FLTK).
 //
-// Copyright 2010-2020 by Bill Spitzak and others.
+// Copyright 2010-2021 by Bill Spitzak and others.
 //
 // This library is free software. Distribution and use rights are outlined in
 // the file "COPYING" which should have been included with this file.  If this
@@ -29,6 +29,7 @@
 #include <FL/Fl_Image_Surface.H>
 #include <FL/math.h>
 #include <FL/platform.H>
+#include <stdlib.h>
 
 FL_EXPORT Fl_Graphics_Driver *fl_graphics_driver; // the current driver of graphics operations
 
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