[2.0][DDC-529] Fixed undeclared in dbal:run-sql command. Thanks for provided patch, Hannes.

lib/Doctrine/DBAL/Tools/Console/Command/RunSqlCommand.php

@@ -78,7 +78,7 @@ EOT
         if (preg_match('/^select/i', $sql)) {
            $resultSet = $conn->fetchAll($sql);
         } else {
-            $resultSet = $em->getConnection()->executeUpdate($sql);
+            $resultSet = $conn->executeUpdate($sql);
         }
 
         \Doctrine\Common\Util\Debug::dump($resultSet, (int) $depth);