add archlinux-support for audit-check

Signed-off-by: Sebastian Gumprich <github@gumpri.ch>

Author: Sebastian Gumprich

controls/package_spec.rb

@@ -92,7 +92,7 @@
   title 'Install auditd'
   desc 'auditd provides extended logging capabilities on recent distributions'
   only_if { !container_execution }
-  audit_pkg = os.redhat? || os.suse? || os.name == 'amazon' || os.name == 'fedora' ? 'audit' : 'auditd'
+  audit_pkg = os.redhat? || os.suse? || os.name == 'amazon' || os.name == 'fedora' || os.name == 'arch' ? 'audit' : 'auditd'
   describe package(audit_pkg) do
     it { should be_installed }
   end