With the diff made by infinity at http://launchpadlibrarian.net/114595044/unity_6.4.0-0ubuntu3_6.4.0-0ubuntu4.diff.gz it works as expected.
Locally I also removed the dependency on 4.6, which is also not needed anymore (besides the broken series for armel/armhf).
With the diff made by infinity at http:// launchpadlibrar ian.net/ 114595044/ unity_6. 4.0-0ubuntu3_ 6.4.0-0ubuntu4. diff.gz it works as expected.
Locally I also removed the dependency on 4.6, which is also not needed anymore (besides the broken series for armel/armhf).