From a6195d0ad4f97662970fdfc3326facd829c801af Mon Sep 17 00:00:00 2001
From: Andrea <andrea@andreaplanet.com>
Date: Wed, 24 Jan 2018 01:25:13 +0000
Subject: [PATCH] Update tiffgt.c for build fix on Windows

---
 tools/tiffgt.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/tiffgt.c b/tools/tiffgt.c
index 245a2b45..5991d309 100644
--- a/tools/tiffgt.c
+++ b/tools/tiffgt.c
@@ -27,11 +27,16 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#if HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 
 #ifdef HAVE_OPENGL_GL_H
 # include <OpenGL/gl.h>
 #else
+# ifdef _WIN32
+#  include <windows.h>
+# endif
 # include <GL/gl.h>
 #endif
 #ifdef HAVE_GLUT_GLUT_H