crt: test: Use winternl.h instead of ntdef.h in t_format_Z* tests

Signed-off-by: LIU Hao <lh_mouse@126.com>

mingw-w64-crt/testcases/t_format_Z_tmpl.h

diff --git a/mingw-w64-crt/testcases/t_format_Z_tmpl.h b/mingw-w64-crt/testcases/t_format_Z_tmpl.h
index 1bca920..4d7ebc8 100644
--- a/mingw-w64-crt/testcases/t_format_Z_tmpl.h
+++ b/mingw-w64-crt/testcases/t_format_Z_tmpl.h
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <wchar.h>
-#include <ntdef.h>
+#include <winternl.h>
 
 /* mingw-w64 headers */
 #include "libtest.h"