Ticket #3953: small refactoring

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30918 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3953: just a workaround for the problem

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30919 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e