Close #13119: use "\r\n" newline for sys.stdout/err on Windows

sys.stdout and sys.stderr are now using "\r\n" newline on Windows, as Python 2.
diff --git a/Misc/NEWS b/Misc/NEWS
index d5e3113..dbaf864 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@
 Core and Builtins
 -----------------
 
+- Issue #13119: sys.stdout and sys.stderr are now using "\r\n" newline on
+  Windows, as Python 2.
+
 - Issue #14579: Fix CVE-2012-2135: vulnerability in the utf-16 decoder after
   error handling.  Patch by Serhiy Storchaka.