[PATCH 1 of 2] branches: enable pager

[Martin von Zweigbergk]

# HG changeset patch
# User Martin von Zweigbergk <martinvonz at google.com>
# Date 1489428239 25200
#      Mon Mar 13 11:03:59 2017 -0700
# Node ID f1f57e4e55e0afa73bddcef240b1ba10f66216b1
# Parent  1c48a8278b2f015fca607dfc652823560a5ac580
branches: enable pager

diff -r 1c48a8278b2f -r f1f57e4e55e0 mercurial/commands.py
--- a/mercurial/commands.py	Sun Mar 12 17:16:43 2017 -0700
+++ b/mercurial/commands.py	Mon Mar 13 11:03:59 2017 -0700
@@ -1223,6 +1223,7 @@
     Returns 0.
     """
 
+    ui.pager('branches')
     fm = ui.formatter('branches', opts)
     hexfunc = fm.hexfunc