building changeset271 and 3.4-1 error

[dolive]

useing tango-0.99.7-bin-win32-dmd.1.033 and dsss 0.75 building changeset271 and 3.4-1 error:

..........
...\Widget.d -oflibDD-dwt.a
dwt\dwthelper\System.d(8): module Exception cannot read file 'tango\core\Exception.d'
Command D:\D\dsss\bin\rebuild.exe returned with code 1, aborting.
Error: Command failed, aborting.

haven't 'tango\core\Exception.d' file,but have 'tango\core\Exception.di'file.


thanks