Re-add the incorrectly removed line, remove whitespace

lib/Doctrine/DBAL/Schema/Comparator.php

@@ -282,6 +282,7 @@ class Comparator
                 list($removedColumn, $addedColumn) = $candidateColumns[0];
                 $removedColumnName = strtolower($removedColumn->getName());
                 $addedColumnName = strtolower($addedColumn->getName());
+
                 if ( ! isset($tableDifferences->renamedColumns[$removedColumnName])) {
                     $tableDifferences->renamedColumns[$removedColumnName] = $addedColumn;
                     unset($tableDifferences->addedColumns[$addedColumnName]);