Changes
new version dia
<package id="dia" name="Dia Diagram Editor" revision="1" reboot="false" priority="1">
<check type="file" condition="exists" path="%PROGRAMFILES%\dia\dia-0.96.1-8-uninstall.exe" />
<install cmd='%SOFTWARE%\graphics\dia-setup-0.9697.1-81.exe /S' /> <upgrade cmd='%SOFTWARE%\graphics\dia-setup-0.9697.1-81.exe /S' />
<remove cmd='%PROGRAMFILES%\dia\dia-0.96.1-8-uninstall.exe /S' />
</package>
Download a copy of Dia from http://dia-installer.de/index_en.html
(dia-setup-0.9697.1-81.exe)
Create a folder inside your WPKG share named graphics and copy the dia-setup-0.96.1-8.exe into it.