add realsense to classpath

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37483 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
fix for leonar3do

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37484 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e