Fix for ROOT-7002 - Backtrace on MacOS X 10.10 broken / atos
Fix for ROOT-7002 - Backtrace on MacOS X 10.10 broken / atos

tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot