FreeSWITCH-FS-7269

Fri Sep 12 11:59:46 EDT 2008  Pekka Pessi <first.last@nokia.com>
  * nua_stack.c: un-ACKed INVITE was destroyed twice on nh_destroy()



git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9540 d0543943-73ff-0310-b7d9-9358b9ac24b2