Remove base() call for not reverse iterator, portability problem with non GCC compiler
Remove base() call for not reverse iterator, portability problem with non GCC compiler

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