mod findSourceByUrl

bool ofxNDIReceiverSoundObject::findSourceByUrl(ofxNDIReceiverSettings& settings, const std::vector<std::string>& extra_ips){
	
	if(settings.sourceUrl != "") {
		return findSource([&settings](const ofxNDI::Source &s) {
            std::vector<std::string> split_url = ofSplitString(s.p_url_address, ":");
//            return settings.sourceUrl == s.p_url_address;
            return settings.sourceUrl == split_url[0];
		},settings, extra_ips, "at URL: " + settings.sourceUrl );
	}
	ofLogWarning("ofxNDIReceiverSoundObject::findSourceByUrl") << "can not find a source by URL if URL is empty";
	return false;
	
}