org-odt.el: Correctly format link to headlines that have description

* lisp/org-odt.el (org-odt-format-org-link): Add check for
presence of description in headline links.

Fix
http://lists.gnu.org/archive/html/emacs-orgmode/2012-11/msg00841.html

lisp/org-odt.el

@@ -1727,6 +1727,7 @@ ATTR is a string of other attributes of the a element."
        ((and (string= type "")
 	     (or (not thefile) (string= thefile ""))
 	     (plist-get org-lparse-opt-plist :section-numbers)
+	     (get-text-property 0 'org-no-description fragment)
 	     (setq sec-frag fragment)
 	     (or (string-match  "\\`sec\\(\\(-[0-9]+\\)+\\)" sec-frag)
 		 (and (setq sec-frag
@@ -1756,7 +1757,11 @@ ATTR is a string of other attributes of the a element."
 	(when (not (member type '("" "file")))
 	  (setq thefile (concat type ":" thefile)))
 
-	(let ((org-odt-suppress-xref nil))
+	(let ((org-odt-suppress-xref
+	       ;; Typeset link to headlines with description, as a
+	       ;; regular hyperlink.
+	       (and (string= type "")
+		    (not (get-text-property 0 'org-no-description fragment)))))
 	  (org-odt-format-link
 	   (org-xml-format-desc desc) thefile attr)))))))