Fixes for Emacs 24.5.1

[Paul Aspinwall]

Upgrading to Emacs 24.5.1 broke vm-8.2.0b. I fixed it with the following crude fixes:

------ diff file follows ------------
diff -ur ../src/vm-8.2.0b-orig/lisp/vm-virtual.el vm-8.2.0b/lisp/vm-virtual.el
--- ../src/vm-8.2.0b-orig/lisp/vm-virtual.el 2011-12-27 17:19:28.000000000 -0500
+++ vm-8.2.0b/lisp/vm-virtual.el 2015-10-12 20:53:14.340720000 -0400
@@ -815,6 +815,8 @@

 (defun vm-vs-header (m arg)
   (save-excursion
+ ; PSA:
+ (set-buffer (marker-buffer (vm-headers-of (vm-real-message-of m))))
     (save-restriction
       (widen)
       (goto-char (vm-headers-of (vm-real-message-of m)))
diff -ur ../src/vm-8.2.0b-orig/lisp/vm.el vm-8.2.0b/lisp/vm.el
--- ../src/vm-8.2.0b-orig/lisp/vm.el 2011-12-27 17:19:28.000000000 -0500
+++ vm-8.2.0b/lisp/vm.el 2015-09-29 15:19:44.504564000 -0400
@@ -30,6 +30,10 @@

 (require 'vm-version)

+; PSA fix for emacs 24:
+(require 'cl)
+(require 'vm-vars)
+
 (defvar enable-multibyte-characters)

 ;; For function declarations

[Uday Reddy (reddyuday)]

Fix committed in rev. 1508.