Warnings fixed

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27170 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Save valid toolbar String from Touch

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27171 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e