Merge pull request mdxp#44 from luntzel/master

Possible fix for not_if block throwing undefined method exists? for Chef::Resource::File:Class

Author: mdxp

recipes/install_from_source.rb

@@ -64,5 +64,5 @@
   environment({"PATH" => "/usr/local/bin:/usr/bin:/bin:$PATH"})
   command "make install"
   cwd "/usr/local/src/node-v#{node['nodejs']['version']}"
-  not_if {File.exists?("#{node['nodejs']['dir']}/bin/node") && `#{node['nodejs']['dir']}/bin/node --version`.chomp == "v#{node['nodejs']['version']}" }
+  not_if {::File.exists?("#{node['nodejs']['dir']}/bin/node") && `#{node['nodejs']['dir']}/bin/node --version`.chomp == "v#{node['nodejs']['version']}" }
 end