execute edit action when draft was specified but no draft exists FS#2240

inc/actions.php

@@ -190,6 +190,7 @@ function act_sendheaders($headers) {
 function act_clean($act){
     global $lang;
     global $conf;
+    global $INFO;
 
     // check if the action was given as array key
     if(is_array($act)){
@@ -219,6 +220,9 @@ function act_clean($act){
         return 'show';
     }
 
+    //is there really a draft?
+    if($act == 'draft' && !file_exists($INFO['draft'])) return 'edit';
+
     if(!in_array($act,array('login','logout','register','save','cancel','edit','draft',
                     'preview','search','show','check','index','revisions',
                     'diff','recent','backlink','admin','subscribe','revert',