Update attributes/default.rb
Update attributes/default.rb

Fix for: FATAL: Chef::Mixin::Template::TemplateError: undefined method `each' for "zabbix":String  Change to array and set default in attributes file.
paybyphone/zabbix-agent,centraldesktop/zabbix,tophercullen/zabbix,Youscribe/zabbix,yakara-ltd/zabbix,Feanor184/zabbix,laradji/zabbix,cmoad/zabbix,jollyrojer/zabbix,tophercullen/zabbix,Youscribe/zabbix,paybyphone/zabbix-agent,tophercullen/zabbix,laradji/zabbix,paybyphone/zabbix-agent,yakara-ltd/zabbix,yakara-ltd/zabbix,TD-4242/zabbix-agent,bfraser/zabbix,TD-4242/cookbook-zabbix-server,gester123/zabbix,gueux/zabbix,TD-4242/zabbix-agent,Feanor184/zabbix,bfraser/zabbix,TD-4242/cookbook-libzabbix,TD-4242/cookbook-zabbix-server,ftclausen/zabbix,bfraser/zabbix,gueux/zabbix,cmoad/zabbix,apcera/chef-zabbix,laradji/zabbix,nilroy/zabbix,gueux/zabbix,jollyrojer/zabbix,jollyrojer/zabbix,TD-4242/zabbix-agent,nilroy/zabbix,TD-4242/cookbook-libzabbix,Youscribe/zabbix,apcera/chef-zabbix,nilroy/zabbix,ftclausen/zabbix,apcera/chef-zabbix,Feanor184/zabbix,TD-4242/cookbook-zabbix-server,cmoad/zabbix