add var_event down into the endpoints so chans with no parents can still pass options

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@477 a93c3328-9c30-0410-af19-c9cd2b2d52af

libs/freetdm/mod_openzap/mod_openzap.c

@@ -118,7 +118,7 @@ static switch_status_t channel_on_hangup(switch_core_session_t *session);
 static switch_status_t channel_on_routing(switch_core_session_t *session);
 static switch_status_t channel_on_exchange_media(switch_core_session_t *session);
 static switch_status_t channel_on_soft_execute(switch_core_session_t *session);
-static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session,
+static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session, switch_event_t *var_event,
 													switch_caller_profile_t *outbound_profile,
 													switch_core_session_t **new_session, 
 													switch_memory_pool_t **pool,
@@ -826,7 +826,7 @@ switch_io_routines_t openzap_io_routines = {
 /* Make sure when you have 2 sessions in the same scope that you pass the appropriate one to the routines
 that allocate memory or you will have 1 channel with memory allocated from another channel's pool!
 */
-static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session,
+static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session, switch_event_t *var_event,
 													switch_caller_profile_t *outbound_profile,
 													switch_core_session_t **new_session, switch_memory_pool_t **pool,
 													switch_originate_flag_t flags)