notmuch.el: Require message mode to avoid undefined function in replies.

Otherwise, those without keithp's .emacs would end up with reply mode
not being entered.  Suggested by keithp.

diff --git a/notmuch.el b/notmuch.el
index e9786c0b28885c86e2a62b24f06296bc19ac380e..d6350ebe78a1240b94c7793b9aa39da4e29ae7a6 100644 (file)
--- a/notmuch.el
+++ b/notmuch.el
@@ -49,6 +49,7 @@
 
 (require 'cl)
 (require 'mm-view)
+(require 'message)
 
 (defvar notmuch-show-mode-map
   (let ((map (make-sparse-keymap)))