Fix error.

CHANGELOG.md

 # CHANGELOG
 
+## 0.4.3+1
+
+Fix a error for build.
+
 ## 0.4.3
 
 Rollback `photo_manager` to `0.4.3`.

lib/src/delegate/sort_asset_delegate.dart

   @override
   void sort(List<AssetEntity> list) {
     list.sort((entity1, entity2) {
-      return entity2.createTime.compareTo(entity1.createTime);
+      return entity2.createDateTime.compareTo(entity1.createDateTime);
     });
   }
 }

pubspec.yaml

 name: photo
 description: image picker, multi picker support video/icloud asset, use flutter as ui, if you want to build custom ui, you just use photo_manager.
-version: 0.4.3
+version: 0.4.3+1
 author: caijinglong<cjl_spy@163.com>
 homepage: https://github.com/CaiJingLong/flutter_photo