org-agenda.el (org-agenda-open-link): Fix bug with opening all links

* org-agenda.el (org-agenda-open-link): Fix bug with opening
all links.

Thanks to Ingo Lohmar for pointing this.
Merge branch 'maint'
org-export: Fix compilation for Emacsen <= 23

* contrib/lisp/org-export.el (org-export-async-start): Fix compilation
  for Emacsen <= 23.
Allow special editing of SETUPFILE keywords again

* lisp/org.el (org-edit-special): Fix regression.