[giac] typo preventing javascript compilation

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36850 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Changing giac.js to the latest version in web/kickstart.xml

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36851 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
5.0.16.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36852 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e