From Gerri:
Make sure that XROOTD_PRIVATE_INCLUDE_DIR is not undefined.


git-svn-id: https://root.cern.ch/svn/root/branches/v5-34-00-patches@49078 27541ba8-7e3a-0410-8455-c3a389f83636
add missing self on lookup of file_matches


git-svn-id: https://root.cern.ch/svn/root/branches/v5-34-00-patches@49079 27541ba8-7e3a-0410-8455-c3a389f83636