From 52a1ce65d693daaa395e7d594ec441ab7b652d70 Mon Sep 17 00:00:00 2001
From: Tino Calancha <tino.calancha@gmail.com>
Date: Wed, 1 Feb 2017 01:20:46 +0900
Subject: [PATCH] * test/lisp/vc/diff-mode-tests.el: Require diff-mode.

---
 test/lisp/vc/diff-mode-tests.el | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test/lisp/vc/diff-mode-tests.el b/test/lisp/vc/diff-mode-tests.el
index 3887afb59b9..807a411fa5d 100644
--- a/test/lisp/vc/diff-mode-tests.el
+++ b/test/lisp/vc/diff-mode-tests.el
@@ -18,6 +18,10 @@
 ;; You should have received a copy of the GNU General Public License
 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
 
+;;; Code:
+
+(require 'diff-mode)
+
 
 (ert-deftest diff-mode-test-ignore-trailing-dashes ()
   "Check to make sure we successfully ignore trailing -- made by
-- 
2.39.5