FS-3794 small regression in SLA

src/mod/endpoints/mod_sofia/sofia_presence.c

@@ -2935,8 +2935,10 @@ void sofia_presence_handle_sip_i_subscribe(int status,
 		proto = alt_proto;
 	}
 	
+	if ((sub_state != nua_substate_terminated)) {
 		sql = switch_mprintf("select count(*) from sip_subscriptions where call_id='%q'", call_id);
 		sofia_glue_execute_sql2str(profile, profile->ireg_mutex, sql, buf, sizeof(buf));
+		switch_safe_free(sql);
 
 		if (mod_sofia_globals.debug_presence > 0 || mod_sofia_globals.debug_sla > 0) {
 			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
@@ -2946,6 +2948,7 @@ void sofia_presence_handle_sip_i_subscribe(int status,
 		if ((subbed = atoi(buf)) > 0) {
 			sub_state = nua_substate_active;
 		}
+	}
 
 	if ((sub_state == nua_substate_active)) {