fix issues found by ASan

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@11034 ddefafc4-47db-0310-ae44-fa13212b10f2
release: update for v1.9.2

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@11035 ddefafc4-47db-0310-ae44-fa13212b10f2
release: update ChangeLog for v1.9.2

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@11036 ddefafc4-47db-0310-ae44-fa13212b10f2