[newlib-cygwin] Document previous change

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=fc22f775032cff7100166c32ab562b48578ee0dc

commit fc22f775032cff7100166c32ab562b48578ee0dc
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Wed Jul 1 15:50:18 2015 +0200

    Document previous change
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/release/2.1.0 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/winsup/cygwin/release/2.1.0 b/winsup/cygwin/release/2.1.0
index 40aba8c..93b84b9 100644
--- a/winsup/cygwin/release/2.1.0
+++ b/winsup/cygwin/release/2.1.0
@@ -22,3 +22,6 @@ Bug Fixes
 
 - Try to handle concurrent close on socket more gracefully
   Addresses: https://cygwin.com/ml/cygwin/2015-06/msg00235.html
+
+- Fix fork failing after the parent recovered from a stack overflow.
+  Addresses: https://cygwin.com/ml/cygwin/2015-06/msg00384.html