Merge pull request #3776 from agilebarbecue/master

provisioners/puppet: fix windows guest with puppet and a facter block

plugins/provisioners/puppet/provisioner/puppet.rb

@@ -140,7 +140,7 @@ module VagrantPlugins
 
             # If we're on Windows, we need to use the PowerShell style
             if windows?
-              facts.map! { |v| "$env:#{v}" }
+              facts.map! { |v| "$env:#{v};" }
             end
 
             facter = "#{facts.join(" ")} "