gmi.c:
BUG 37. Fix several leaks during configuration changes. Also fixes
a possible assert with many large messages being sent from multiple
processors at the same time.

BKrev: 4140fd9dwjk3xOLpFw3Ivhp0_f_oYw


git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@246 fd59a12c-fef9-0310-b244-a6a79926bd2f