补充某些必要的文件

cocos2d-x/external/sources/SocketRocket/NSRunLoop+SRWebSocket.m

@@ -0,0 +1,27 @@
+//
+// Copyright 2012 Square Inc.
+// Portions Copyright (c) 2016-present, Facebook, Inc.
+//
+// All rights reserved.
+//
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
+//
+
+#import "NSRunLoop+SRWebSocket.h"
+#import "NSRunLoop+SRWebSocketPrivate.h"
+
+#import "SRRunLoopThread.h"
+
+// Required for object file to always be linked.
+void import_NSRunLoop_SRWebSocket() { }
+
+@implementation NSRunLoop (SRWebSocket)
+
++ (NSRunLoop *)SR_networkRunLoop
+{
+    return [SRRunLoopThread sharedThread].runLoop;
+}
+
+@end