Cygwin: add newgrp release notes

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

diff --git a/winsup/cygwin/release/3.5.1 b/winsup/cygwin/release/3.5.1
index efea5ae2f1cf04a7d6c3f6a1bd412004f28bdc93..a7d74fa6b6897f492cd952e9b2e27f587350f2bb 100644 (file)
--- a/winsup/cygwin/release/3.5.1
+++ b/winsup/cygwin/release/3.5.1
@@ -26,3 +26,6 @@ Fixes:
 
 - Fix two bugs in strptime, error checking of invalid numerical input and
   %p handling.
+
+- Fix newgrp(1) group handling.  Only allow groups already in the user
+  token, as Windows doesn't allow otherwise.