dot-emacs: Fix mdw-check-autorevert.

Only mess with auto-revert if it's actually there.  Similarly, only mess
with Tramp if that's there.

diff --git a/dot-emacs.el b/dot-emacs.el
index 3da4450..03923da 100644 (file)
--- a/dot-emacs.el
+++ b/dot-emacs.el
@@ -302,7 +302,10 @@ input lists are not modified, although they'll probably become garbage."
   "Sets global-auto-revert-ignore-buffer appropriately for this buffer,
 taking into consideration whether it's been found using tramp, which seems to
 get itself into a twist."
-  (cond ((and (buffer-file-name)
+  (cond ((not (boundp 'global-auto-revert-ignore-buffer))
+        nil)
+       ((and (buffer-file-name)
+             (fboundp 'tramp-tramp-file-p)
              (tramp-tramp-file-p (buffer-file-name)))
         (unless global-auto-revert-ignore-buffer
           (setq global-auto-revert-ignore-buffer 'tramp)))