Fixed issue that two lines with state zero were being generated.
Fixed issue that two lines with state zero were being generated.

beast-dev/beast-mcmc,adamallo/beast-mcmc,4ment/beast-mcmc,beast-dev/beast-mcmc,4ment/beast-mcmc,beast-dev/beast-mcmc,adamallo/beast-mcmc,maxbiostat/beast-mcmc,adamallo/beast-mcmc,beast-dev/beast-mcmc,adamallo/beast-mcmc,maxbiostat/beast-mcmc,4ment/beast-mcmc,maxbiostat/beast-mcmc,maxbiostat/beast-mcmc,4ment/beast-mcmc,maxbiostat/beast-mcmc,beast-dev/beast-mcmc,4ment/beast-mcmc,4ment/beast-mcmc,maxbiostat/beast-mcmc,adamallo/beast-mcmc,adamallo/beast-mcmc,beast-dev/beast-mcmc