From 5ab7dfe6db96e3cc7f9358b30eb04b27411fcb07 Mon Sep 17 00:00:00 2001
From: David Lechner <david@pybricks.com>
Date: Thu, 30 Jun 2022 19:02:18 -0500
Subject: [PATCH] unix/moduos: Include errno.h.

The file `ports/unix/moduos.c` uses `errno` so it needs to include
`errno.h`, otherwise a compiler error can occur.

Signed-off-by: David Lechner <david@pybricks.com>
---
 ports/unix/moduos.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ports/unix/moduos.c b/ports/unix/moduos.c
index 848a3612d..b577dbd29 100644
--- a/ports/unix/moduos.c
+++ b/ports/unix/moduos.c
@@ -25,6 +25,7 @@
  * THE SOFTWARE.
  */
 
+#include <errno.h>
 #include <stdlib.h>
 #include <string.h>