Update changelog for sqlite file handle leak

changelog.md

@@ -5,6 +5,7 @@
 - [FIXED] instances returned from `bulkCreate` now has `isNewRecord: false` and should be updateable if using `returning: true` with dialects that support it.
 - [FIXED] Find with Include with a where clause generates wrong SQL [#3940](https://github.com/sequelize/sequelize/issues/3940)
 - [FIXED] ON DELETE constraint should default to CASCADE if foreignKey has allowNull: false] [#2831](https://github.com/sequelize/sequelize/issues/2831)
+- [FIXED] sqlite file handle leak
 
 # 3.9.0
 - [ADDED] beforeRestore/afterRestore hooks [#4371](https://github.com/sequelize/sequelize/issues/4371)