ICT-5703: take into account that the output from /bin/ls for non-existing files is different between RHEL 5.x and 6.x (for test of "clean" and "clean_dist" targets)
ICT-5703: take into account that the output from /bin/ls for non-existing files is different between RHEL 5.x and 6.x (for test of "clean" and "clean_dist" targets)

git-svn-id: 4f15cd35116e72df6ba252f213c0d8a6c7d4ad11@221818 523d945c-050c-4681-91ec-863ad3bb968a

csrg-utfsm/acscb,ACS-Community/ACS,csrg-utfsm/acscb,csrg-utfsm/acscb,ACS-Community/ACS,csrg-utfsm/acscb,csrg-utfsm/acscb,ACS-Community/ACS,csrg-utfsm/acscb,ACS-Community/ACS,ACS-Community/ACS,ACS-Community/ACS,csrg-utfsm/acscb,ACS-Community/ACS,csrg-utfsm/acscb,ACS-Community/ACS