[newlib-cygwin/cygwin-3_3-branch] Cygwin: add release note for rounding issue

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=bd4eaebb6fa065caa4b94967c4cae7588963070e

commit bd4eaebb6fa065caa4b94967c4cae7588963070e
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Thu Nov 4 11:55:03 2021 +0100

    Cygwin: add release note for rounding issue
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/release/3.3.2 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/winsup/cygwin/release/3.3.2 b/winsup/cygwin/release/3.3.2
index 528c29ce9..548c6a690 100644
--- a/winsup/cygwin/release/3.3.2
+++ b/winsup/cygwin/release/3.3.2
@@ -3,3 +3,6 @@ Bug Fixes
 
 - Fix bug that Ctrl-C sometimes does not work as expected in Windows Terminal.
   Addresses: https://cygwin.com/pipermail/cygwin/2021-November/249749.html
+
+- Fix a float rounding issue in newlib.
+  Addresses: https://sourceware.org/pipermail/newlib/2021/018626.html