[Pharo 8.0] Build #57: Fix Year>>firstThursday

There is a new Pharo build available!
 
The status of the build #57 was: SUCCESS.

The Pull Request #2454 was integrated: "Fix Year>>firstThursday"
Pull request url: https://github.com/pharo-project/pharo/pull/2454

Issue Url: https://pharo.fogbugz.com/f/cases/fix
Build Url: https://ci.inria.fr/pharo-ci-jenkins2/job/Test%20pending%20pull%20request%20and%20branch%20Pipeline/job/Pharo8.0/57/