Use Python.h, not allobjects.h.
Don't call initall()  (Experimental incompatible change!!!!!!)
diff --git a/PC/dl_nt.c b/PC/dl_nt.c
index 16b9319..e80c3cf 100644
--- a/PC/dl_nt.c
+++ b/PC/dl_nt.c
@@ -10,10 +10,8 @@
 #include "windows.h"
 
 /* NT and Python share these */
-#undef INCREF
-#undef DECREF
 #include "config.h"
-#include "allobjects.h"
+#include "Python.h"
 
 HMODULE PyWin_DLLhModule = NULL;
 
@@ -25,7 +23,7 @@
 	{
 		case DLL_PROCESS_ATTACH:
 			PyWin_DLLhModule = hInst;
-			initall();
+			//initall();
 			break;
 		case DLL_PROCESS_DETACH:
 			break;