avoid name clash with posix_close (closes #20594)
diff --git a/Misc/NEWS b/Misc/NEWS
index 38d8630..d2ef384 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -44,6 +44,8 @@
 Library
 -------
 
+- Issue #20594: Avoid name clash with the libc function posix_close.
+
 - Issue #19856: shutil.move() failed to move a directory to other directory
   on Windows if source name ends with os.altsep.