fix causes some more

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4182 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_ivr.c

@@ -3553,7 +3553,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_multi_threaded_bridge(switch_core_ses
 
     if (switch_channel_get_state(caller_channel) < CS_HANGUP && 
         switch_true(switch_channel_get_variable(caller_channel, SWITCH_HANGUP_AFTER_BRIDGE_VARIABLE))) {
-        switch_channel_hangup(caller_channel, SWITCH_CAUSE_NORMAL_CLEARING);
+        switch_channel_hangup(caller_channel, switch_channel_get_cause(peer_channel));
     }
 
 	return status;