FIX: stop on public stop will join to public stop again

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6266 8aca7d54-2c30-db11-9de9-000461428c89
some further formatting

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6267 8aca7d54-2c30-db11-9de9-000461428c89