Do not pass PDO::FETCH_NUM (integer 3) as limit parameter to OC_DB::prepare().
Merge pull request #5190 from owncloud/stable5-numRows-no-limit

Do not pass PDO::FETCH_NUM (integer 3) as limit parameter to OC_DB::prepare().

* owncloud/stable5-numRows-no-limit:
  Do not pass PDO::FETCH_NUM (integer 3) as limit parameter to OC_DB::prepare().