We have dnsjava-2.1.3.zip in libsrc and then we have dnsjava.jar in
jitsi/lib/installer-exclude/ which appears to have been built from
2.1.7. Do we have to update to dnsjava-2.1.7.zip in libsrc?
Additionally, do we have to apply dnsjava-dnssec.patch to
dnsjava-2.1.7.zip or is it no longer requried? I'm afraid it's not
clear to me judging by the latest commit comment on