Code style

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37898 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4792 NPE is solved, but gui does not show.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37899 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e