Spell check

tutorials/geom/assembly.C

tutorials/geom/building.C

tutorials/geom/cheongwadae.C

tutorials/geom/geodemo.C

tutorials/geom/lego.C

tutorials/geom/mp3player.C

tutorials/geom/na49.C

tutorials/geom/robot.C

tutorials/geom/runplugin.C

tutorials/geom/shapes.C

tutorials/geom/south_gate.C

tutorials/geom/station1.C

tutorials/geom/station2.C

tutorials/geom/tank.C