Merge pull request #579 from sulaweyo/patch-2

Add check if Gem is defined

Author: bmjen

lib/facter/package_provider.rb

@@ -12,7 +12,7 @@
 
 Facter.add(:package_provider) do
   setcode do
-    if Gem::Version.new(Facter.value(:puppetversion).split(' ')[0]) >= Gem::Version.new('3.6')
+    if defined? Gem and Gem::Version.new(Facter.value(:puppetversion).split(' ')[0]) >= Gem::Version.new('3.6')
       Puppet::Type.type(:package).newpackage(:name => 'dummy', :allow_virtual => 'true')[:provider].to_s
     else
       Puppet::Type.type(:package).newpackage(:name => 'dummy')[:provider].to_s