CRM-14466 made changes to how variables are initialized

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* CRM-14466: View manage case screen gives two PHP Notices (civicrm/contact/view/case?reset=1&action=view&cid=xxx&id=yyy&show=1)
  https://issues.civicrm.org/jira/browse/CRM-14466
Merge pull request #3089 from relldoesphp/CRM-14466

CRM-14466 made changes to how variables are initialized