File zmusic-mingw64.patch of Package mingw64-zmusic
diff --git a/source/zmusic/configuration.cpp b/source/zmusic/configuration.cpp
index 14388e6..09ee6dc 100644
--- a/source/zmusic/configuration.cpp
+++ b/source/zmusic/configuration.cpp
@@ -33,7 +33,7 @@
*/
#ifdef _WIN32
-#include <Windows.h>
+#include <windows.h>
#include <mmsystem.h>
#endif
#include <algorithm>
diff --git a/thirdparty/fluidsynth/src/utils/win32_glibstubs.h b/thirdparty/fluidsynth/src/utils/win32_glibstubs.h
index 92380d8..51b4b84 100644
--- a/thirdparty/fluidsynth/src/utils/win32_glibstubs.h
+++ b/thirdparty/fluidsynth/src/utils/win32_glibstubs.h
@@ -2,7 +2,7 @@
#define _GLIBSTUBS_H
#ifdef WIN32
-#include <Windows.h>
+#include <windows.h>
#include <assert.h>
#include <stdio.h>