- udpate on submodule  for clang compilation on OSX
- udpate on submodule  for clang compilation on OSX

EricKTCheung/davix,cern-it-sdc-id/davix,cern-it-sdc-id/davix,EricKTCheung/davix,mhellmic/davix,EricKTCheung/davix,EricKTCheung/davix,mhellmic/davix,mhellmic/davix,cern-it-sdc-id/davix,mhellmic/davix,cern-it-sdc-id/davix