Some fewer ifdefs in grund.cc

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6773 8aca7d54-2c30-db11-9de9-000461428c89
reformat

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6774 8aca7d54-2c30-db11-9de9-000461428c89