NPE fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35497 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Removed some debugging

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35498 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
NPE fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35499 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e