Remove also the .idx file when cleaning up after PDF export

lisp/ChangeLog

@@ -1,5 +1,7 @@
 2009-11-23  Carsten Dominik  <carsten.dominik@gmail.com>
 
+	* org-latex.el (org-export-as-pdf): Remove also the .idx file.
+
 	* org-mouse.el (org-mouse-end-headline, org-mouse-insert-item)
 	(org-mouse-context-menu): Use `org-looking-back'.
 

lisp/org-latex.el

@@ -720,7 +720,7 @@ when PUB-DIR is set, use this as the publishing directory."
 	(error "PDF file was not produced")
       (set-window-configuration wconfig)
       (when org-export-pdf-remove-logfiles
-	(dolist (ext '("aux" "log" "out" "toc"))
+	(dolist (ext '("aux" "idx" "log" "out" "toc"))
 	  (setq file (concat base "." ext))
 	  (and (file-exists-p file) (delete-file file))))
       (message "Exporting to PDF...done")