Add missing require in the Rakefile
Add missing require in the Rakefile

This was coming in for free with the other rake task.

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>

gene1wood/chef,tas50/chef-1,chef/chef,gene1wood/chef,MsysTechnologiesllc/chef,mwrock/chef,mattray/chef,MsysTechnologiesllc/chef,nvwls/chef,mattray/chef,tas50/chef-1,mwrock/chef,MsysTechnologiesllc/chef,nvwls/chef,chef/chef,nvwls/chef,mattray/chef,tas50/chef-1,mwrock/chef,MsysTechnologiesllc/chef,mwrock/chef,gene1wood/chef,mattray/chef,gene1wood/chef,tas50/chef-1,chef/chef,nvwls/chef,nvwls/chef,nvwls/chef,mattray/chef,chef/chef