totemsrp.c:
Fix bug in implementation that deviates from specification.

BKrev: 41fe8c84mIHGgf3brH_kZTiOR_ACvQ


git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@435 fd59a12c-fef9-0310-b244-a6a79926bd2f