properly git rid of span_id

libs/freetdm/mod_freetdm/tdm.c

@@ -123,7 +123,7 @@ static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *sessi
     if (ftdm_span_find_by_name(span_name, &span) == FTDM_SUCCESS) {
          span_id = ftdm_span_get_id(span);   
     } else {
-        switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot find span [%s]\n");
+        switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot find span [%s]\n", span_name);
     }