Added find_package(Xrootd) to CMakeLists.txt
Added find_package(Xrootd) to CMakeLists.txt, to have the xrootd libraries loaded from CVMFS at runtime.
Based on the issue discussed in:
Added find_package(Xrootd) to CMakeLists.txt, to have the xrootd libraries loaded from CVMFS at runtime.
Based on the issue discussed in: