-- fixed for CRM-13094

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* CRM-13094: civicrm_contribution_recur schema inconsistent in fresh installs vs upgrades
  http://issues.civicrm.org/jira/browse/CRM-13094
Merge pull request #1395 from pradpnayak/CRM-13094

-- fixed for CRM-13094.
Ran upgrade from 4.2 and confirmed presence of UI_contribution_recur_payment_instrument_id constraint after upgrade.