[newlib-cygwin] Add release message for previous Cygwin patch

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=6599fad55dfa08882ff07f11132e772af5f152b3

commit 6599fad55dfa08882ff07f11132e772af5f152b3
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Thu Oct 22 15:35:46 2015 +0200

    Add release message for previous Cygwin patch

Diff:
---
 winsup/cygwin/release/2.3.0 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/winsup/cygwin/release/2.3.0 b/winsup/cygwin/release/2.3.0
index d6fda3b..f505040 100644
--- a/winsup/cygwin/release/2.3.0
+++ b/winsup/cygwin/release/2.3.0
@@ -41,3 +41,5 @@ Bug Fixes
   Addresses: https://cygwin.com/ml/cygwin/2015-09/msg00229.html
 
 - Fix memory leak in calls to pthread_getattr_np.
+
+- Fix output of /proc/<PID>/winexename.