small fix for ios http module
small fix for ios http module

NativeScript/NativeScript,NativeScript/NativeScript,hdeshev/NativeScript,NativeScript/NativeScript,genexliu/NativeScript,hdeshev/NativeScript,NativeScript/NativeScript,NativeScript/NativeScript,hdeshev/NativeScript,genexliu/NativeScript,genexliu/NativeScript