remove empty directory


git-svn-id: https://root.cern.ch/svn/root/branches/dev/root6-pch@48870 27541ba8-7e3a-0410-8455-c3a389f83636
Force the loading of libGpad


git-svn-id: https://root.cern.ch/svn/root/branches/dev/root6-pch@48871 27541ba8-7e3a-0410-8455-c3a389f83636