[newlib-cygwin/cygwin-3_0-branch] Cygwin: document ps -W duplication bug fix

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=328ee5c8201df979bc371a2a3066ba7e142bef3f

commit 328ee5c8201df979bc371a2a3066ba7e142bef3f
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Sun Mar 31 12:49:26 2019 +0200

    Cygwin: document ps -W duplication bug fix
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/release/3.0.5 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/winsup/cygwin/release/3.0.5 b/winsup/cygwin/release/3.0.5
index a52412c..b17acf4 100644
--- a/winsup/cygwin/release/3.0.5
+++ b/winsup/cygwin/release/3.0.5
@@ -14,3 +14,7 @@ Bug Fixes
 
 - Fix a crash in wcsxfrm_l if destination size is 0.
   Addresses: https://cygwin.com/ml/cygwin/2019-03/msg00492.html
+
+- Fix a problem in process enumeration which led to `ps -W' showing
+  Cygwin processes twice and potentially with incorrect Windows PID.
+  Addresses: Report on IRC