[PATCH 5 of 7 STABLE] config: wrap ".orig." in rst quotes

[Sean Farley]

# HG changeset patch
# User Sean Farley <sean at farley.io>
# Date 1462066834 25200
#      Sat Apr 30 18:40:34 2016 -0700
# Branch stable
# Node ID 1068bb9e2d1ce68a01a75f862e475b1c676452ac
# Parent  60d96ee76151c33087068443af42cacfe8a5391e
# EXP-Topic docker-ppa
config: wrap ".orig." in rst quotes

Apparently, .orig. is a macro for man pages so we need to wrap it in quotes to
silence lintian warnings.

diff --git a/mercurial/help/config.txt b/mercurial/help/config.txt
--- a/mercurial/help/config.txt
+++ b/mercurial/help/config.txt
@@ -1018,12 +1018,12 @@ This section specifies behavior during m
 ``checkignored``
    Controls behavior when an ignored file on disk has the same name as a tracked
    file in the changeset being merged or updated to, and has different
    contents. Options are ``abort``, ``warn`` and ``ignore``. With ``abort``,
    abort on such files. With ``warn``, warn on such files and back them up as
-   .orig. With ``ignore``, don't print a warning and back them up as
-   .orig. (default: ``abort``)
+   ``.orig.`` With ``ignore``, don't print a warning and back them up as
+   ``.orig.`` (default: ``abort``)
 
 ``checkunknown``
    Controls behavior when an unknown file that isn't ignored has the same name
    as a tracked file in the changeset being merged or updated to, and has
    different contents. Similar to ``merge.checkignored``, except for files that