added missing #include <vector>
added missing #include <vector>

Reported by Maxim Naumov

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