[NetworkManager-openvpn] release: update NEWS file

[Beniamino Galvani <bgalvani src gnome org>]

commit 82f4035324732c39c805a3386575962fc8359408
Author: Beniamino Galvani <bgalvani redhat com>
Date:   Wed Oct 17 09:44:10 2018 +0200

    release: update NEWS file

 NEWS | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/NEWS b/NEWS
index 3c2613d..fd860e6 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,13 @@
+=======================================================
+NetworkManager-openvpn-1.8.8
+Overview of changes since NetworkManager-openvpn-1.8.6
+=======================================================
+
+This is a new stable release of NetworkManager-openvpn.  Notable changes include:
+
+* Fix a memory corruption bug in the advanced dialog.
+* Update Russian translation.
+
 =======================================================
 NetworkManager-openvpn-1.8.6
 Overview of changes since NetworkManager-openvpn-1.8.4