From b4d479ad9a121bcb4095e7610baaed63c27f6ebe Mon Sep 17 00:00:00 2001
From: Steel Titanium <steeltitanium1@gmail.com>
Date: Sun, 13 May 2018 16:04:34 -0400
Subject: [PATCH] Include errno if not already included.

---
 src/hardware/hw_md2.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/hardware/hw_md2.c b/src/hardware/hw_md2.c
index 99018e1e5..d60524451 100644
--- a/src/hardware/hw_md2.c
+++ b/src/hardware/hw_md2.c
@@ -67,6 +67,10 @@
  #endif
 #endif
 
+#ifndef errno
+#include "errno.h"
+#endif
+
 #define NUMVERTEXNORMALS 162
 float avertexnormals[NUMVERTEXNORMALS][3] = {
 {-0.525731f, 0.000000f, 0.850651f},