MQTT: WIP supporting structured types : do not crash when generating C code if using location with no size
<?xml version='1.0' encoding='utf-8'?>
<SVGHMI xmlns:xsd="http://www.w3.org/2001/XMLSchema" WatchdogInitial="10" WatchdogInterval="5" EnableWatchdog="true" Path="{name}" OnStart="chromium-browser --no-sandbox --test-type --single-process --start-fullscreen {url}"/>