loplugin:refcounting

Fixes: "uno::Reference field with template parameter that does not
contain ::static_type() css::uno::Reference<SerfInputStream>, parent
is http_dav_ucp::SerfGetReqProcImpl, should probably be using
rtl::Reference instead [loplugin:refcounting]"

Change-Id: I43211bb397031a4961df77ee39038e6ef9da6bb1

ucb/source/ucp/webdav/SerfGetReqProcImpl.hxx

@@ -71,7 +71,7 @@ protected:
     void handleEndOfResponseData( serf_bucket_t * inSerfResponseBucket ) override;
 
 private:
-    css::uno::Reference< SerfInputStream > xInputStream;
+    rtl::Reference< SerfInputStream > xInputStream;
     css::uno::Reference< css::io::XOutputStream > xOutputStream;
     const std::vector< OUString > * mpHeaderNames;
     DAVResource* mpResource;