Trunk refactoring: fix bug caused by r2974.
Trunk refactoring: fix bug caused by r2974.
evolvedmicrobe/beast-mcmc,danieljue/beast-mcmc,danieljue/beast-mcmc,evolvedmicrobe/beast-mcmc,evolvedmicrobe/beast-mcmc,danieljue/beast-mcmc,danieljue/beast-mcmc,evolvedmicrobe/beast-mcmc,evolvedmicrobe/beast-mcmc,danieljue/beast-mcmc