fix three way stupid issue

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8412 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_dptools/mod_dptools.c

@@ -1337,6 +1337,7 @@ static switch_status_t xfer_on_dtmf(switch_core_session_t *session, void *input,
 				switch_channel_set_caller_extension(peer_channel, extension);
 				switch_channel_set_flag(peer_channel, CF_TRANSFER);
 				switch_channel_set_state(peer_channel, CS_EXECUTE);
+				switch_channel_set_variable(channel, SWITCH_HANGUP_AFTER_BRIDGE_VARIABLE, NULL);
 
 				return SWITCH_STATUS_FALSE;
 			}