From 23328ff6385be2bc028faa78c51e9a8488b2af1e Mon Sep 17 00:00:00 2001
From: Maarten Pronk <git@evetion.nl>
Date: Mon, 18 Nov 2024 00:14:41 +0100
Subject: [PATCH] GH-44754: [C++] Use lowercased `windows.h` to enable
 cross-platform builds (#44755)

### Rationale for this change

`<Windows.h>` doesn't work cross-compiling to Windows with case-sensitive file system.

### What changes are included in this PR?

Use lowercase.

### Are these changes tested?

Yes.

### Are there any user-facing changes?

No.
* GitHub Issue: #44754

Authored-by: Maarten Pronk <git@evetion.nl>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>
---
 cpp/src/arrow/util/io_util.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpp/src/arrow/util/io_util.cc b/cpp/src/arrow/util/io_util.cc
index 8c4d925dac541..18d7de64a0efd 100644
--- a/cpp/src/arrow/util/io_util.cc
+++ b/cpp/src/arrow/util/io_util.cc
@@ -118,7 +118,7 @@
 #endif
 
 #ifdef _WIN32
-#  include <Windows.h>
+#  include <windows.h>
 #else
 #  include <dlfcn.h>
 #endif