#3772 fix for Windows XP (untested)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35941 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
4.9.318.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35942 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4487 - fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35943 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4499 - fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35944 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e