o RooProdPdf

   - Explicitly set expensive object cache of generic projection objects to that of self


 o RooGenProdProj

   - Explicitly set expensive object cache of contained integrals to that of first input component


git-svn-id: https://root.cern.ch/svn/root/branches/v5-34-00-patches@48313 27541ba8-7e3a-0410-8455-c3a389f83636