[benchmark] fix check in run-performance-tests for c++ short circuit
[benchmark] fix check in run-performance-tests for c++ short circuit

Change-Id: I557bcc56b15a9ab11d6cc8b97ae7bc9385a986b6

clive-jevons/joynr,bmwcarit/joynr,clive-jevons/joynr,bmwcarit/joynr,bmwcarit/joynr,clive-jevons/joynr,bmwcarit/joynr,clive-jevons/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,clive-jevons/joynr,clive-jevons/joynr,bmwcarit/joynr