make socket.io resource take a extra argument

listener.js.patch

*** listener.js.bak     2011-06-05 21:17:31.777158283 +0800
--- listener.js 2011-06-05 22:39:51.097153447 +0800
***************
*** 69,74 ****
--- 69,82 ----
    var path = url.parse(req.url).pathname, parts, cn;
    if (path && path.indexOf('/' + this.options.resource) === 0){
      parts = path.substr(2 + this.options.resource.length).split('/');
+     
+     // remove extra from check
+     if (parts.length == 4 || parts[parts.length-1] == 'flashsocket'){
+       parts = parts.slice(1, parts.length);
+     };
+ 
      if (this._serveClient(parts.join('/'), req, res)) return true;
      if (!(parts[0] in transports)) return false;
      if (parts[1]){