[C++, Build] removed explicit dependency to 'jsmn' from AddTest
[C++, Build] removed explicit dependency to 'jsmn' from AddTest

Change-Id: If91fae8cec17897a236300bd392abcb3850048f6

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