Make sure that the message count in the message matches the actual length
of the message.

BKrev: 42543a7aj_fChUtiZ_ZWH0wdZ6JN3Q


git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@579 fd59a12c-fef9-0310-b244-a6a79926bd2f