filter_generate_port error log function name
filter_generate_port error log function name

Absolutely minor adjustment to make the error log message refer to the new function name.
NewEraCracker/pfsense,jxmx/pfsense,brunostein/pfsense,brunostein/pfsense,NewEraCracker/pfsense,ch1c4um/pfsense,ptorsten/pfsense,ch1c4um/pfsense,BlackstarGroup/pfsense,pfsense/pfsense,pfsense/pfsense,ptorsten/pfsense,NOYB/pfsense,pfsense/pfsense,dennypage/pfsense,jxmx/pfsense,jxmx/pfsense,phil-davis/pfsense,NOYB/pfsense,NOYB/pfsense,dennypage/pfsense,pfsense/pfsense,phil-davis/pfsense,BlackstarGroup/pfsense,dennypage/pfsense,ptorsten/pfsense,ch1c4um/pfsense,ch1c4um/pfsense,dennypage/pfsense,NewEraCracker/pfsense,NewEraCracker/pfsense,phil-davis/pfsense,BlackstarGroup/pfsense,phil-davis/pfsense,BlackstarGroup/pfsense,brunostein/pfsense