CRM-14467 - remove extra double-quote which messes up case_id in change status URL.

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* CRM-14467:
  https://issues.civicrm.org/jira/browse/CRM-14467
Merge pull request #2898 from davecivicrm/CRM-14467

CRM-14467 - remove extra double-quote which messes up case_id in change ...