Fix undefined method error if no additional contacts have been defined
Fix undefined method error if no additional contacts have been defined

spudnic/nagios,OpenGov/nagios,ChrisLundquist/nagios,spudnic/nagios,JulianNL/nagios,mrlamroger/nagios,popsikle/nagios-5.3.5,Piousbox-cookbooks/nagios,earzur/nagios,earzur/nagios,JulianNL/nagios,OpenGov/nagios,spudnic/nagios,Piousbox-cookbooks/nagios,ovaistariq/nagios,mrlamroger/nagios,spudnic/nagios,earzur/nagios,aaronkvanmeerten/nagios,aaronkvanmeerten/nagios,JulianNL/nagios,CanaryTek/nagios,bitmonk/chef-nagios,caleb/nagios,ChrisLundquist/nagios,bitmonk/chef-nagios,firebase/nagios,ovaistariq/nagios,schubergphilis/nagios,firebase/nagios,ovaistariq/nagios,Piousbox-cookbooks/nagios,OpenGov/nagios,caleb/nagios,ChrisLundquist/nagios,firebase/nagios,polamjag/nagios,CanaryTek/nagios,bitmonk/chef-nagios,schubergphilis/nagios,schubergphilis/nagios,Piousbox-cookbooks/nagios,firebase/nagios,JulianNL/nagios,mrlamroger/nagios,polamjag/nagios,popsikle/nagios-5.3.5,aaronkvanmeerten/nagios,bitmonk/chef-nagios,OpenGov/nagios,CanaryTek/nagios,polamjag/nagios,mrlamroger/nagios