Openshot - no Save warning on File > New Project

With an existing project open and modified, if File > New Project is performed then there is no warning about saving the original project.

Bug Date : 05 Feb 2013
Reporter : Colin Law
Plateform (64 bits or 32 bits) : 32 bits
Operating System : Ubuntu
Version OS : 12.10
New installation or update : New installation
Installation Method : Installed openshot from ubuntu repository, then
  added openshot.developers and sunab/kdenlive-release ppas and updated
Version of Openshot installed : 1.4.3-1
Revision used (if any) :
Library used (Libopenshot or MLT) : MLT I believe
Library version (libopenshot 1.x.x or libmlt 0.x.x) : libmlt 0.8.2-0ubuntu0~sunab~quantal1
FFmpeg version : 6:0.8.5-0ubuntu0.12.10.1
FFmpeg installation : From ubuntu repository

Summary/Description: With an existing project open and modified, if File > New Project is performed then there is no warning about saving the original project.

Steps to reproduce: In Ubuntu
Open and existing project and change something.
Click File > New Project
There should be a warning about saving the original project, but none appears.