A few bugs

From Alexander Baier on the Org list:

> This looks really nice! A few things I discovered:
>
> 1. If the peek contains a link and I click on it with the left mouse
> button, the message "No link found" is displayed.
>
> 2. If a headline in the agenda contains a link to another headline and
> point is somewhere on that headline and I call org-quick-peek-link I
> get "Lisp error: (wrong-type-argument stringp nil)".
>
> 3. If point is on a link to another headline in a normal org buffer
> and I call org-quick-peek-link I get "Lisp error: (void-variable
> path)". This is fixed applying this patch:
>
> @@ -80,7 +80,7 @@
> (org-show-following-heading nil)
> (org-show-entry-below nil)
> (org-show-siblings nil)
> - link type marker)
> + link type marker path)
>
> ;; From org.el
> (when (and (looking-at org-complex-heading-regexp))
>
>
> Regards,
> --
> Alex