(desktop-load-file): Do nothing when FUNCTION is nil.

lisp/ChangeLog

+2005-10-12  Lars Hansen  <larsh@soem.dk>
+
+	* desktop.el (desktop-load-file): Do nothing when FUNCTION is nil.
+	Reported by Reiner Steib <Reiner.Steib@gmx.de>.
+
 2005-10-11  Sven Joachim  <svenjoac@gmx.de>
 
 	* progmodes/sh-script.el (sh-tmp-file):

lisp/desktop.el

@@ -963,10 +963,11 @@ directory DIRNAME."
 
 (defun desktop-load-file (function)
   "Load the file where auto loaded FUNCTION is defined."
-  (let ((fcell (symbol-function function)))
-    (when (and (listp fcell)
-               (eq 'autoload (car fcell)))
-      (load (cadr fcell)))))
+  (when function
+    (let ((fcell (symbol-function function)))
+      (when (and (listp fcell)
+                 (eq 'autoload (car fcell)))
+        (load (cadr fcell))))))
 
 ;; ----------------------------------------------------------------------------
 ;; Create a buffer, load its file, set its mode, ...;