message: Fix changelog inconsistency.
diff: @@ -135,9 +135,9 @@ The new Type Introduced - `oatpp::Any`.
  Now it's possible to do like this:
  ```cpp
  -class MyDto : public oatpp::Object {
  +class MyDto : public oatpp::DTO {
  - DTO_INIT(MyDto, Object)
  + DTO_INIT(MyDto, DTO)
  DTO_FIELD(Any, any); // Put any oatpp::<Type> here
  DTO_FIELD(List<Any>, listOfAny)
  @@ -235,9 +235,9 @@ ENUM(MyEnum, v_int32,
  VALUE(V3, 30, "enum1-v3")
  );
  -class MyDto : public oatpp::Object {
  +class MyDto : public oatpp::DTO {
  - DTO_INIT(MyDto, Object)
  + DTO_INIT(MyDto, DTO)
  DTO_FIELD(Enum<MyEnum>, enum1); // Default interpretation - AsString
  DTO_FIELD(Enum<MyEnum>::NotNull, enum2); // NOT_NULL constraint for Ser/De
  @@ -300,9 +300,9 @@ Now DTOs can be used as a Key in `unordered_map` and `unordered_set`.
  The convenience `DTO_HC_EQ` (DTO_HASHCODE_AND_EQUALS) macro has been added.
  ```cpp
  -class User : public oatpp::Object {
  +class User : public oatpp::DTO {
  - DTO_INIT(User, Object)
  + DTO_INIT(User, DTO)
  DTO_FIELD(String, firstName);
  DTO_FIELD(String, lastName);
  @@ -324,9 +324,9 @@ Now it's possible to add a description for DTO fields, which will be automatical
  displayed in swagger-UI.
  ```cpp
  -class MyDto : public oatpp::Object {
  +class MyDto : public oatpp::DTO {
  - DTO_INIT(MyDto, Object)
  + DTO_INIT(MyDto, DTO)
  DTO_FIELD_INFO(id) {
  info->description = "identifier";
  