Issue #15431: Add _freeze_importlib project to regenerate importlib.h on Windows.
Patch by Kristján Valur Jónsson.
diff --git a/Misc/NEWS b/Misc/NEWS
index 382544c..31a99c8 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -256,6 +256,9 @@
 Build
 -----
 
+- Issue #15431: Add _freeze_importlib project to regenerate importlib.h
+  on Windows. Patch by Kristján Valur Jónsson.
+
 - Issue #14197: For OS X framework builds, ensure links to the shared
   library are created with the proper ABI suffix.