GCDAsyncSocket: Upgrade to 7.4.1

Author: paulmelnikow

Vendor/CocoaAsyncSocket/GCDAsyncSocket.h

@@ -90,7 +90,11 @@ typedef enum GCDAsyncSocketError GCDAsyncSocketError;
 #pragma mark Configuration
 
 @property (atomic, weak, readwrite) id delegate;
+#if OS_OBJECT_USE_OBJC
 @property (atomic, strong, readwrite) dispatch_queue_t delegateQueue;
+#else
+@property (atomic, assign, readwrite) dispatch_queue_t delegateQueue;
+#endif
 
 - (void)getDelegate:(id *)delegatePtr delegateQueue:(dispatch_queue_t *)delegateQueuePtr;
 - (void)setDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;