fixup!: Keep the old index

Signed-off-by: Louis Chmn <louis@chmn.me>

Author: artonge

core/Migrations/Version13000Date20170718121200.php

@@ -453,6 +453,7 @@ public function changeSchema(IOutput $output, \Closure $schemaClosure, array $op
 			$table->addIndex(['item_type', 'share_type'], 'item_share_type_index');
 			$table->addIndex(['file_source'], 'file_source_index');
 			$table->addIndex(['token'], 'token_index');
+			$table->addIndex(['share_with'], 'share_withindex');
 			$table->addIndex(['share_with', 'file_target'], 'share_with_file_target_index', [], ['lengths' => [null, 128]]);
 			$table->addIndex(['parent'], 'parent_index');
 			$table->addIndex(['uid_owner'], 'owner_index');