fix index construction

8637121a · Steve Müller · 3c811d7d · 8637121a
Commit 8637121a authored Oct 09, 2013 by Steve Müller
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Index.php lib/Doctrine/DBAL/Schema/Index.php +1 -1

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--- a/lib/Doctrine/DBAL/Schema/Index.php
+++ b/lib/Doctrine/DBAL/Schema/Index.php
@@ -29,7 +29,7 @@ class Index extends AbstractAsset implements Constraint
     *
     * @var Identifier[]
     */
-    protected $_columns;
+    protected $_columns = array();
    /**
     * @var boolean