Fixes #821. Force usage of configured redirurl when one has been configured.
Fixes #821. Force usage of configured redirurl when one has been configured.

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