Fixes #4698: RPM postinst and check-rudder-agent fail on AIX because our "uuidgen" is not executable
Merge pull request #295 from jooooooon/bug_4698/rpm_postinst_and_check_rudder_agent_fail_on_aix_because_our_uuidgen_is_not_executable

Bug 4698/rpm postinst and check rudder agent fail on aix because our uuidgen is not executable