Fix error in javascript "playlist xml" -> html routine which messed up display...

Fix error in javascript "playlist xml" -> html routine which messed up display of playlist with nodes 2 or more deep which didn't have any leaves.

share/http-lua/js/functions.js

@@ -643,6 +643,7 @@ function parse_playlist()
                     {
                         elt = elt.parentNode;
                         if( ! elt.parentNode ) break;
+                        pos = pos.parentNode;
                     }
                     if( ! elt.parentNode ) break;
                     elt = elt.parentNode.nextSibling;

share/http/js/functions.js

@@ -630,6 +630,7 @@ function parse_playlist()
                     {
                         elt = elt.parentNode;
                         if( ! elt.parentNode ) break;
+                        pos = pos.parentNode;
                     }
                     if( ! elt.parentNode ) break;
                     elt = elt.parentNode.nextSibling;