Use raw_buffer in copy_if.
Use raw_buffer in copy_if.

--HG--
extra : convert_revision : svn%3A83215879-3e5a-4751-8c9d-778f44bb06a5/trunk%40334

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