fixed race condition and scoping bug

lib/transports/flashsocket.js

@@ -49,9 +49,9 @@ FlashSocket.prototype.name = 'flashsocket';
  * @api private
  */
 
-var server;
 
 FlashSocket.init = function (manager) {
+  var server;
   function create () {
     server = require('policyfile').createServer({ 
       log: function(msg){
@@ -80,13 +80,15 @@ FlashSocket.init = function (manager) {
   // destory the server and create a new server
   manager.on('set:flash policy port', function (value, key) {
     var transports = manager.get('transports');
-
-    if (server && server.port !== value && ~transports.indexOf('flashsocket')) {
-      // destroy the server and rebuild it on a new port
-      try {
-        server.close();
+    if (~transports.indexOf('flashsocket')) {
+      if (server) {
+        if (server.port === value) return;
+        // destroy the server and rebuild it on a new port
+        try {
+          server.close();
+        }
+        catch (e) { /* ignore exception. could e.g. be that the server isn't started yet */ }
       }
-      catch (e) { /* ignore exception. could e.g. be that the server isn't started yet */ }
       create();
     }
   });
@@ -97,7 +99,6 @@ FlashSocket.init = function (manager) {
       create();
     }
   });
-
   // check if we need to initialize at start
   if (~manager.get('transports').indexOf('flashsocket')){
     create();