Merge branch 'fix_fact_error' into 'master'

Fix facter error on non-Linux operating systems

See merge request !2

lib/puppet/provider/package/xbps.rb

@@ -3,8 +3,8 @@ require 'puppet/provider/package'
 Puppet::Type.type(:package).provide :xbps, :parent => Puppet::Provider::Package do
   desc "A xbps provider for Void Linux."
 
-  confine :true => (Facter.value(:os)['distro']['id'] == 'VoidLinux')
-  defaultfor :true => (Facter.value(:os)['distro']['id'] == 'VoidLinux')
+  confine :true => (Facter.value(:os).dig('distro', 'id') == 'VoidLinux')
+  defaultfor :true => (Facter.value(:os).dig('distro', 'id') == 'VoidLinux')
 
   commands :xbps_install => "/usr/bin/xbps-install"
   commands :xbps_query   => "/usr/bin/xbps-query"