Code review comment for lp:~widelands-dev/widelands/bug-1800571-flag-add-ware

I guess Launchpad doesn't like me since it doesn't want to show the diff here (again). And yes, I waited for the branch to be parsed after pushing it. :/

Anyway, here are the changes:
https://bazaar.launchpad.net/~widelands-dev/widelands/bug-1800571-flag-add-ware/revision/8904/src/logic/map_objects/tribes/carrier.cc