MSVC 64 bit warnings fixed
MSVC 64 bit warnings fixed

zeryx/thrust,andrewcorrigan/thrust-multi-permutation-iterator,xiongzhanblake/thrust_src,sdalton1/thrust,xiongzhanblake/thrust,xiongzhanblake/thrust,thrust/thrust,sarvex/thrust,sarvex/thrust,zhenglaizhang/thrust,sdalton1/thrust,marksantos/thrust,arnabgho/thrust,marksantos/thrust,mohamed-ali/thrust,arnabgho/thrust,sdalton1/thrust,GrimDerp/thrust,Ricardo666666/thrust,xiongzhanblake/thrust_src,mohamed-ali/thrust,marksantos/thrust,jaredhoberock/thrust,xiongzhanblake/thrust,thvasilo/thrust,zeryx/thrust,jaredhoberock/thrust,zeryx/thrust,GrimDerp/thrust,raygit/thrust,andrewcorrigan/thrust-multi-permutation-iterator,egaburov/thrust,jaredhoberock/thrust,sarvex/thrust,Ricardo666666/thrust,thvasilo/thrust,thrust/thrust,thrust/thrust,zhenglaizhang/thrust,xiongzhanblake/thrust_src,dachziegel/thrust,egaburov/thrust,thrust/thrust,dachziegel/thrust,andrewcorrigan/thrust-multi-permutation-iterator,zhenglaizhang/thrust,Ricardo666666/thrust,jaredhoberock/thrust,dachziegel/thrust,thvasilo/thrust,egaburov/thrust,raygit/thrust,thrust/thrust,arnabgho/thrust,mohamed-ali/thrust,raygit/thrust,GrimDerp/thrust,jaredhoberock/thrust