[newlib-cygwin] Cygwin: Add modfl fix to release notes

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=6af1524aaa285b3a003384cf13f8430c7ecf8e86

commit 6af1524aaa285b3a003384cf13f8430c7ecf8e86
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Sun Aug 30 14:15:58 2020 +0200

    Cygwin: Add modfl fix to release notes
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/release/3.2.0 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/winsup/cygwin/release/3.2.0 b/winsup/cygwin/release/3.2.0
index 5fa476f1e..32cc4edec 100644
--- a/winsup/cygwin/release/3.2.0
+++ b/winsup/cygwin/release/3.2.0
@@ -27,3 +27,6 @@ Bug Fixes
 
 - The pthread_yield declaration in pthread is now visible by default
   or when defining _BSD_SOURCE, too.
+
+- Fix SEGV in modfl call.
+  Addresses: https://cygwin.com/pipermail/cygwin/2020-August/246056.html