CRM-12355

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* CRM-12355: Upgrade fails with "CREATE TEMPORARY TABLE ... A table must have at least 1 column]"
  http://issues.civicrm.org/jira/browse/CRM-12355
CRM-12355

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* CRM-12355: Upgrade fails with "CREATE TEMPORARY TABLE ... A table must have at least 1 column]"
  http://issues.civicrm.org/jira/browse/CRM-12355
Merge pull request #434 from dlobo/CRM-12355

CRM-12355