Code style: Declare (Type& value) instead of (Type &value)
diff --git a/ndn-cpp/encoding/binary-xml-encoder.hpp b/ndn-cpp/encoding/binary-xml-encoder.hpp
index cee590c..ad41a69 100644
--- a/ndn-cpp/encoding/binary-xml-encoder.hpp
+++ b/ndn-cpp/encoding/binary-xml-encoder.hpp
@@ -31,7 +31,7 @@
* Resize the output vector to the correct encoding length and return.
* @return The encoding as a shared_ptr. Assume that the caller now owns the vector.
*/
- const ptr_lib::shared_ptr<std::vector<unsigned char> > &getOutput()
+ const ptr_lib::shared_ptr<std::vector<unsigned char> >& getOutput()
{
output_.get()->resize(offset);
return output_.get();