loader: Make Windows includes lowercase for MinGW
MinGW-w64 ships all Windows SDK headers as lowercase, which prevents
cross-compiling this code from Linux.
Windows filesystems are case insensitive so it should work fine with
lowercase includes.
diff --git a/loader/loader.c b/loader/loader.c
index 871095d..6b69e3a 100644
--- a/loader/loader.c
+++ b/loader/loader.c
@@ -66,9 +66,9 @@
#include "murmurhash.h"
#if defined(_WIN32)
-#include <Cfgmgr32.h>
+#include <cfgmgr32.h>
#include <initguid.h>
-#include <Devpkey.h>
+#include <devpkey.h>
#include <winternl.h>
#include <d3dkmthk.h>
diff --git a/loader/vk_loader_platform.h b/loader/vk_loader_platform.h
index c697293..2ffda55 100644
--- a/loader/vk_loader_platform.h
+++ b/loader/vk_loader_platform.h
@@ -25,7 +25,7 @@
#if defined(_WIN32)
// WinSock2.h must be included *BEFORE* windows.h
-#include <WinSock2.h>
+#include <winsock2.h>
#endif // _WIN32
#include "vulkan/vk_platform.h"