privat/nit — pull request #946 by jcbrinfo (2014-11-28 17:47:30+00:00)
Title: Fix warnings in the JSON, SAX and SAXophoNit libraries and in the `neo_doxygen` tool

Fix all the warnings in the following directories:

* `/lib/json`
* `/lib/sax`
* `/lib/saxophonit`
* `/contrib/neo_doxygen`

Signed-off-by: Jean-Christophe Beaupré