[PATCH] help: fix formatting of template example

[Steve Hoelzer]

# HG changeset patch
# User Steve Hoelzer <shoelzer at gmail.com>
# Date 1386783238 21600
#      Wed Dec 11 11:33:58 2013 -0600
# Node ID c44c3a30fb8663aaee697c577b6da1f98555263a
# Parent  1c92524c37cdd251c1a36b2da0fb4148b0e6ba09
help: fix formatting of template example

diff -r 1c92524c37cd -r c44c3a30fb86 mercurial/help/templates.txt
--- a/mercurial/help/templates.txt Sun Dec 01 21:24:48 2013 -0600
+++ b/mercurial/help/templates.txt Wed Dec 11 11:33:58 2013 -0600
@@ -105,4 +105,4 @@

 - Display the contents of the 'extra' field, one per line::

-  $ hg log -r 0 --template "{join(extras, '\n')}\n"
+   $ hg log -r 0 --template "{join(extras, '\n')}\n"