Fix message unpacking in get_messages helper.
Fix message unpacking in get_messages helper.

vishwaprakashmishra/xmatrix,harrissoerja/vumi,vishwaprakashmishra/xmatrix,vishwaprakashmishra/xmatrix,harrissoerja/vumi,harrissoerja/vumi,TouK/vumi,TouK/vumi,TouK/vumi