Use correct basic_io_object member functions so that basic_object_handle works with c++11 compilers.

asio/include/asio/windows/basic_object_handle.hpp

diff --git a/asio/include/asio/windows/basic_object_handle.hpp b/asio/include/asio/windows/basic_object_handle.hpp
index c753a3a..bb73dc3 100644
--- a/asio/include/asio/windows/basic_object_handle.hpp
+++ b/asio/include/asio/windows/basic_object_handle.hpp
@@ -124,7 +124,7 @@
   void wait()
   {
     asio::error_code ec;
-    this->service.wait(this->implementation, ec);
+    this->get_service().wait(this->get_implementation(), ec);
     asio::detail::throw_error(ec, "wait");
   }
 
@@ -138,7 +138,7 @@
    */
   void wait(asio::error_code& ec)
   {
-    this->service.wait(this->implementation, ec);
+    this->get_service().wait(this->get_implementation(), ec);
   }
 
   /// Start an asynchronous wait on the object handle.
@@ -160,7 +160,7 @@
   template <typename WaitHandler>
   void async_wait(WaitHandler handler)
   {
-    this->service.async_wait(this->implementation, handler);
+    this->get_service().async_wait(this->get_implementation(), handler);
   }
 };