Define NONAMELESS{STRUCT,UNION} explicitly in the files that need them.

dlls/ntdll/time.c

diff --git a/dlls/ntdll/time.c b/dlls/ntdll/time.c
index 89d0804..261ad77 100644
--- a/dlls/ntdll/time.c
+++ b/dlls/ntdll/time.c
@@ -34,6 +34,9 @@
 #ifdef HAVE_UNISTD_H
 # include <unistd.h>
 #endif
+
+#define NONAMELESSUNION
+#define NONAMELESSSTRUCT
 #include "winternl.h"
 #include "wine/unicode.h"
 #include "wine/debug.h"