From 93bd422ecec2519c5f3d0df73c0ac9cc7b18442b Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Tue, 9 Jul 2019 18:04:29 +0300
Subject: [PATCH] Unbreak the MS-Windows build

* src/font.c (open): Don't undef on WINDOWSNT, as ms-w32.h
redirects it to sys_open.
---
 src/font.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/font.c b/src/font.c
index 457f3f99583..ffd50644930 100644
--- a/src/font.c
+++ b/src/font.c
@@ -46,7 +46,9 @@ along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
 
 /* Avoid macro definition of `open' in generated lib/fcntl.h to mess up
    use of it as a struct member.  */
+#ifndef WINDOWSNT
 #undef open
+#endif
 
 #define DEFAULT_ENCODING Qiso8859_1
 
-- 
2.39.5