[newlib-cygwin] Cygwin: document console helper patch

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=44432b93add22888a849110f12e2c146291d2176

commit 44432b93add22888a849110f12e2c146291d2176
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Tue Nov 5 11:57:24 2019 +0100

    Cygwin: document console helper patch
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/release/3.1.0 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/winsup/cygwin/release/3.1.0 b/winsup/cygwin/release/3.1.0
index 23f752c..1b9d236 100644
--- a/winsup/cygwin/release/3.1.0
+++ b/winsup/cygwin/release/3.1.0
@@ -97,3 +97,7 @@ Bug Fixes
 
 - Fix parent/child relationship after parent dies.
   Addresses: https://cygwin.com/ml/cygwin/2019-09/msg00263.html
+
+- Fix a security problem if Cygwin is installed into a path
+  with spaces in it.
+  Addresses: https://cygwin.com/ml/cygwin/2019-11/msg00018.html