#4494 - fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35918 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Code cleanup

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35919 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4499 fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35920 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e