correct spelling

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6602 8aca7d54-2c30-db11-9de9-000461428c89
correct speeling in simuconf.tab

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6603 8aca7d54-2c30-db11-9de9-000461428c89
correct sppeling

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6604 8aca7d54-2c30-db11-9de9-000461428c89