Added two casts for clang3.7 warnings
Added two casts for clang3.7 warnings

jaeguly/cpputest,cpputest/cpputest,offa/cpputest,Andne/cpputest,bithium/cpputest,arstrube/cpputest,Mindtribe/cpputest,offa/cpputest,PaulBussmann/cpputest,KisImre/cpputest,basvodde/cpputest,Mindtribe/cpputest,jaeguly/cpputest,basvodde/cpputest,Andne/cpputest,KisImre/cpputest,PaulBussmann/cpputest,KisImre/cpputest,basvodde/cpputest,maxilai/cpputest,PaulBussmann/cpputest,maxilai/cpputest,asgeroverby/cpputest,arstrube/cpputest,offa/cpputest,Mindtribe/cpputest,asgeroverby/cpputest,jaeguly/cpputest,Andne/cpputest,offa/cpputest,bithium/cpputest,PaulBussmann/cpputest,Andne/cpputest,cpputest/cpputest,bithium/cpputest,Mindtribe/cpputest,cpputest/cpputest,maxilai/cpputest,basvodde/cpputest,asgeroverby/cpputest,asgeroverby/cpputest,jaeguly/cpputest,bithium/cpputest,arstrube/cpputest,KisImre/cpputest,arstrube/cpputest,maxilai/cpputest,cpputest/cpputest