tlist.c:
Increased code coverage of tlist.c from 74.5% to 95.9%.

BKrev: 4148a64akC3-Hr8RMOSHHChVWBYM5Q


git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@251 fd59a12c-fef9-0310-b244-a6a79926bd2f