Fix memory leak in http_server.
@@ -285,6 +285,7 @@ func (c *ColumnarTable) CrossReferences(ctx context.Context, req *xpb.CrossRefer
if err != nil {
return nil, err
}
+ defer it.Close()
k, val, err := it.Next()
if err == io.EOF || !bytes.Equal(k, prefix) {
