[giac] revert changes to solve.cc (untested) in r34644

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34791 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] revert r34791

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34792 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] (second attempt) revert changes to solve.cc (untested) in r34644

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34793 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@34795 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e