Fixed a problem in ca_chain that caused a segmentation fault.
Fixed a problem in ca_chain that caused a segmentation fault.

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