mu4e: Add missing mandatory "Code:" section headers

mu4e/mu4e-context.el

@@ -24,6 +24,9 @@
 
 ;; A mu4e 'context' is a set of variable-settings and functions, which can be
 ;; used e.g. to switch between accounts.
+
+;;; Code:
+
 (require 'cl-lib)
 (require 'mu4e-utils)
 

mu4e/mu4e-contrib.el

@@ -20,6 +20,9 @@
 ;;; Commentary:
 
 ;; Some user-contributed functions for mu4e
+
+;;; Code:
+
 (require 'mu4e-headers)
 (require 'mu4e-view)
 (require 'bookmark)

mu4e/mu4e-headers.el

@@ -26,7 +26,7 @@
 ;; one-line descriptions of emails, aka 'headers' (not to be confused with
 ;; headers like 'To:' or 'Subject:')
 
-;; Code:
+;;; Code:
 (require 'cl-lib)
 (require 'fringe)
 (require 'hl-line)

mu4e/mu4e-lists.el

@@ -25,6 +25,7 @@
 ;; In this file, we create a table of list-id -> shortname for mailing lists.
 ;; The shortname (friendly) should a at most 8 characters, camel-case
 
+;;; Code:
 
 (defvar mu4e~mailing-lists
   '( ("bbdb-info.lists.sourceforge.net"                       . "BBDB")