- fix a prefix problem for GCC 4.1.1 tr1 compatibility
- fix a prefix problem for GCC 4.1.1 tr1 compatibility

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