fix hanguphook order of operations vs destroy method issue in c++ code

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12730 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/languages/mod_perl/freeswitch.pm

@@ -478,6 +478,7 @@ sub DESTROY {
     }
 }
 
+*destroy = *freeswitchc::Session_destroy;
 *begin_allow_threads = *freeswitchc::Session_begin_allow_threads;
 *end_allow_threads = *freeswitchc::Session_end_allow_threads;
 *check_hangup_hook = *freeswitchc::Session_check_hangup_hook;