fixes #969 win: build on case-sensitive file systems fail
This is attempts to build using mingw on some other system, or
cross-build. This isn't officially supported, but no reason not
to fix this to make it better.
diff --git a/tests/win_sec_attr.c b/tests/win_sec_attr.c
index 6bd4f54..8478393 100644
--- a/tests/win_sec_attr.c
+++ b/tests/win_sec_attr.c
@@ -29,9 +29,9 @@
#include "testutil.h"
-#include <AccCtrl.h>
-#include <Sddl.h>
-#include <Aclapi.h>
+#include <accctrl.h>
+#include <sddl.h>
+#include <aclapi.h>
/* Windows only. Custom SECURITY_ATTRIBUTES on a socket. */
