CRM-14701 QA fix

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* CRM-14701: Form data not retained subsequent to contribution page on behalf of fix
  https://issues.civicrm.org/jira/browse/CRM-14701
CRM-14701 fixes - Form data not retained subsequent to contribution page on behalf of fix

https://issues.civicrm.org/jira/browse/CRM-14701
minor fix