Dependencies for libjson-c2 failed on Ubuntu 18.04

[fpiccinali]

We can not install mod_log_gelf on ubuntu 18.04 because libjson-c2 does not exists.

Is it possible to have a new version packaged ? I can help for tests.

[lee-costa]

Came here for the same issue. Definitely willing to help test.

[fengkaijia]

There's a libjson-c3