[PATCH STABLE] churn: use the non-deprecated template option in the examples

[Matt Harbison]

# HG changeset patch
# User Matt Harbison <matt_harbison at yahoo.com>
# Date 1494299101 14400
#      Mon May 08 23:05:01 2017 -0400
# Node ID 0921d3c7603004a2104fce0c9a5582c1b59291df
# Parent  707683d56e5cbd3fe3453ddab9a57222b998f2af
churn: use the non-deprecated template option in the examples

diff --git a/hgext/churn.py b/hgext/churn.py
--- a/hgext/churn.py
+++ b/hgext/churn.py
@@ -133,7 +133,7 @@
     Examples::
 
       # display count of changed lines for every committer
-      hg churn -t "{author|email}"
+      hg churn -T "{author|email}"
 
       # display daily activity graph
       hg churn -f "%H" -s -c