#3831 Random checkbox fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30598 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
update Mac Giac to latest

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30600 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e