Lint x509 uppercase variable name

--- git/leap_platform ‹8144_remove_haproxy* MD› » puppet-lint puppet/modules/x509/manifests/variables.pp
WARNING: class not documented on line 1
WARNING: variable contains an uppercase letter on line 6

--- git/leap_platform ‹8144_remove_haproxy* MD› » grep local_CA -ir
tests/platform-ci/vendor/budle/ruby/2.3.0/gems/puppet-3.8.7/ext/puppet-test:Suite.new :local_catalog, "Local catalog handling" do
puppet/modules/site_openvpn/manifests/server_config.pp:      value   => "${x509::variables::local_CAs}/${site_config::params::ca_bundle_name}.crt",
puppet/modules/site_postfix/manifests/mx/smtpd_tls.pp:  $ca_path   = "${x509::variables::local_CAs}/${site_config::params::client_ca_name}.crt"
puppet/modules/site_postfix/manifests/mx/smtp_tls.pp:  $ca_path   = "${x509::variables::local_CAs}/${site_config::params::ca_name}.crt"
puppet/modules/x509/manifests/variables.pp:  $local_CAs      = '/usr/local/share/ca-certificates'
puppet/modules/x509/manifests/ca.pp:  file { "${x509::variables::local_CAs}/${name}.crt" :
puppet/modules/x509/manifests/ca.pp:      File["${x509::variables::local_CAs}/${name}.crt"] {
puppet/modules/x509/manifests/ca.pp:      File["${x509::variables::local_CAs}/${name}.crt"] {
puppet/modules/x509/manifests/base.pp:    $x509::variables::local_CAs:
puppet/modules/x509/manifests/base.pp:    subscribe   => File[$x509::variables::local_CAs]
puppet/modules/site_webapp/templates/config.yml.erb:  "client_ca_cert" => "%s/%s.crt" % [scope.lookupvar('x509::variables::local_CAs'), scope.lookupvar('site_config::params::client_ca_name')],
puppet/modules/site_webapp/manifests/init.pp:      target  => "${x509::variables::local_CAs}/${site_config::params::ca_name}.crt";
puppet/modules/site_stunnel/manifests/client.pp:  $ca_path   = "${x509::variables::local_CAs}/${site_config::params::ca_name}.crt"
puppet/modules/site_stunnel/manifests/servers.pp:  $ca_path   = "${x509::variables::local_CAs}/${site_config::params::ca_name}.crt"