No Passengers for Stone Mason

[PJMack]

The Stonemason industry does not have any visitor or job class array defined which is apparently resulting in no visitors or employees.

[PJMack]

Adding temporary class arrays did not increase visitor/commuter count, so there may be something else at play here.  (I also remembered that I am not playing on the master branch, so I will have to double-check some things.)  Nonetheless, the Stonemason probably should have those arrays defined for balance.

[Matthew]

It's a recent addition, so that must have been missed. Might need to check the Natural History Museum that was added at the same time too.

[wlindley]

submitted a PR to correct this.  Thanks for the catch !

[jamespetts]

I could not find the pull request, but I have integrated this fix manually. Thank you for the report and fix respectively.