Bug#768721: cglib: FTBFS in jessie: tests failures

[Emmanuel Bourg]

I have been able to reproduce this error repeatedly with pbuilder, but I
don't get the test failures outside pbuilder with openjdk-7 and
openjdk-8. This issue has already been reported in September (#761523)
but was closed afterward.

The cglib package has been replaced by cglib3 and is no longer used in
Jessie, so this issue could be safely ignored and/or the package removed
from testing. The cglib package is likely to be upgraded to the version
3.x in Jessie+1 and replace cglib3, so it should be preserved in sid.

Emmanuel Bourg