Allow for rhel 7 as well.
Allow for rhel 7 as well.

Sauraus/chef_nginx,Sauraus/chef_nginx,luishdez/nginx-cookbook,kri5/nginx,axos88/chef_nginx,7bfa689ac3c4be50f8ba6c1ea8c5f316/nginx,evertrue/nginx-cookbook,8la/nginx,ttab/nginx,kri5/nginx,evertrue/nginx-cookbook,7bfa689ac3c4be50f8ba6c1ea8c5f316/nginx,chef-cookbooks/chef_nginx,8la/nginx,luishdez/nginx-cookbook,ttab/nginx,fsultan/nginx,Altiscale/nginx,kri5/nginx,ttab/nginx,fsultan/nginx,axos88/chef_nginx,miketheman/nginx,AudaxHealthInc/nginx,chef-cookbooks/chef_nginx,ffuenf/nginx,luishdez/nginx-cookbook,AudaxHealthInc/nginx,ffuenf/nginx,blmlove409/nginx_cookbook,miketheman/nginx,Roblox/chef_nginx,blmlove409/nginx_cookbook,periscopedevelopment/nginx,cokeboL/nginx,fsultan/nginx,8la/nginx,Altiscale/nginx,miketheman/nginx,Sauraus/chef_nginx,AudaxHealthInc/nginx,Roblox/chef_nginx,7bfa689ac3c4be50f8ba6c1ea8c5f316/nginx,blmlove409/nginx_cookbook,evertrue/nginx-cookbook,periscopedevelopment/nginx,axos88/chef_nginx,chef-cookbooks/chef_nginx,Roblox/chef_nginx,cokeboL/nginx,periscopedevelopment/nginx,cokeboL/nginx,Altiscale/nginx,ffuenf/nginx