fix #137

Author: nuclearace

SocketIOClientSwift/SocketIOClient.swift

@@ -46,7 +46,7 @@ public final class SocketIOClient: NSObject, SocketEngineClient, SocketLogClient
 
     public let socketURL:String
     public let handleAckQueue = dispatch_queue_create("handleAckQueue", DISPATCH_QUEUE_SERIAL)
-    public let handleQueue: dispatch_queue_t!
+    public let handleQueue: dispatch_queue_attr_t!
     public let emitQueue = dispatch_queue_create("emitQueue", DISPATCH_QUEUE_SERIAL)
     public var closed:Bool {
         return _closed