Update etc/inc/dyndns.class
Update etc/inc/dyndns.class

Resolves #2677
NewEraCracker/pfsense,ptorsten/pfsense,phil-davis/pfsense,jxmx/pfsense,NOYB/pfsense,ch1c4um/pfsense,BlackstarGroup/pfsense,brunostein/pfsense,pfsense/pfsense,phil-davis/pfsense,pfsense/pfsense,phil-davis/pfsense,dennypage/pfsense,NewEraCracker/pfsense,pfsense/pfsense,BlackstarGroup/pfsense,jxmx/pfsense,dennypage/pfsense,ch1c4um/pfsense,ch1c4um/pfsense,pfsense/pfsense,brunostein/pfsense,ptorsten/pfsense,dennypage/pfsense,ch1c4um/pfsense,NOYB/pfsense,jxmx/pfsense,NOYB/pfsense,brunostein/pfsense,BlackstarGroup/pfsense,dennypage/pfsense,BlackstarGroup/pfsense,ptorsten/pfsense,NewEraCracker/pfsense,NewEraCracker/pfsense,phil-davis/pfsense