Fixed a warning on signedness?
Fixed a warning on signedness?

offa/cpputest,offa/cpputest,basvodde/cpputest,basvodde/cpputest,cpputest/cpputest,cpputest/cpputest,cpputest/cpputest,cpputest/cpputest,offa/cpputest,basvodde/cpputest,basvodde/cpputest,offa/cpputest