[master] 70349b9 Document the demise of the -N option for the VSL tools in 5.2.

[Geoff Simmons]

commit 70349b9c0221f1c7124372e98313dafdac1fce7b
Author: Geoff Simmons <geoff at uplex.de>
Date:   Wed Sep 13 14:45:18 2017 +0200

    Document the demise of the -N option for the VSL tools in 5.2.

diff --git a/doc/sphinx/whats-new/upgrading-5.2.rst b/doc/sphinx/whats-new/upgrading-5.2.rst
index 6bb9e9a..53573d7 100644
--- a/doc/sphinx/whats-new/upgrading-5.2.rst
+++ b/doc/sphinx/whats-new/upgrading-5.2.rst
@@ -121,6 +121,11 @@ Other changes
 
   * *XXX: ...*
 
+* The ``-N`` command-line option, which was previously availabe for
+  ``varnishlog(1)``, ``varnishstat(1)``, ``varnishncsa(1)`` and
+  ``varnishhist(1)``, is not comaptible with the changed internal
+  logging API, and has been retired.
+
 * *XXX: any other changes in the standard VUT tools*
 
   * *XXX: ...*