Remove 2 compiler warnings and clean up Dos/UtestPlatform.cpp
Remove 2 compiler warnings and clean up Dos/UtestPlatform.cpp

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