[PATCH 3 of 6 STABLE] rebase: fix incorrect configuration example

[FUJIWARA Katsunori]

# HG changeset patch
# User FUJIWARA Katsunori <foozy at lares.dti.ne.jp>
# Date 1493584732 -32400
#      Mon May 01 05:38:52 2017 +0900
# Branch stable
# Node ID 1c911adebf488246c720d98f77be349c8c82d708
# Parent  202b86a509e077ee7ac94855f10e6c1f17923b62
rebase: fix incorrect configuration example

This configuration example doesn't make rebase require a destination,
even though help document wants to show such example.

diff --git a/hgext/rebase.py b/hgext/rebase.py
--- a/hgext/rebase.py
+++ b/hgext/rebase.py
@@ -668,7 +668,7 @@ def rebase(ui, repo, **opts):
     option:
 
       [commands]
-      rebase.requiredest = False
+      rebase.requiredest = True
 
     Return Values: