tlist.h:
Fix required for previous tlist.c commit.

BKrev: 41e01e1cFsurlTBuApZjiZ3l9RFdBw


git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@401 fd59a12c-fef9-0310-b244-a6a79926bd2f