Include <windows.h> after python.h, so that WINNT is properly set before windows.h is included.  Fixes warnings in PC builds.
diff --git a/PC/dl_nt.c b/PC/dl_nt.c
index 2608f7e..a87b523 100644
--- a/PC/dl_nt.c
+++ b/PC/dl_nt.c
@@ -7,11 +7,9 @@
 forgotten) from the programmer.
 
 */
-#include "windows.h"
 
-/* NT and Python share these */
-#include "pyconfig.h"
 #include "Python.h"
+#include "windows.h"
 
 char dllVersionBuffer[16] = ""; // a private buffer